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  • Sale -40% Laboratory Borosilicate 3.3 Glass Liebig Condenser Lab Chemistry Distillation Column 19/22 Joint Laboratory Borosilicate 3.3 Glass Liebig Condenser Lab Chemistry Distillation Column 19/22 Joint

    POMEX Laboratory Borosilicate 3.3 Glass Liebig Condenser Lab Chemistry Distillation Column 19/22 Joint

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    Key Features: High-Quality Borosilicate Glass 3.3: Durable, chemically resistant, and suitable for demanding lab use. 19/22 Standard Conical Joint: Compatible with standard 19/22 ground glass laboratory glassware. Efficient Liebig Design: Straight inner tube and outer water jacket provide effective heat exchange. Dual Hose Connectors: Easy connection to cooling water inlet and outlet tubing. Excellent Thermal Shock Resistance: Suitable for typical distillation and reflux temperature changes. Clear Glass Construction: Allows easy observation of condensate flow and cooling performance. Chemical Resistant: Resists most common laboratory chemicals, solvents, and reagents. Versatile Applications: Ideal for distillation, reflux, extraction, synthesis, and general chemistry setups. Reusable & Long-Lasting: Designed for repeated laboratory use with proper handling. Professional Lab Quality: Suitable for research labs, teaching labs, and industrial applications. Specifications: Product Type: Liebig Condenser Material: Borosilicate Glass 3.3 Joint Size: 19/22 Joint Type: Standard Conical Ground Glass Joint Design: Straight inner tube with outer water jacket Hose Connectors: 2 (water inlet / outlet) Color: Clear Optional Lengths: 100mm, 150mm, 200mm, 250mm, 300mm, 400mm, 500mm and 600mm.

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    $35.85 - $220.00

  • Sale -40%

    POMEX Laboratory Borosilicate Glass Liebig Condenser Lab Chemistry Distillation Column 24/40 Joint

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    Key Features: High-Quality Borosilicate Glass 3.3: Durable, chemically resistant, and suitable for demanding lab use. 24/40 Standard Conical Joint: Compatible with standard 24/40 ground glass laboratory glassware. Efficient Liebig Design: Straight inner tube and outer water jacket provide effective heat exchange. Dual Hose Connectors: Easy connection to cooling water inlet and outlet tubing. Excellent Thermal Shock Resistance: Suitable for typical distillation and reflux temperature changes. Clear Glass Construction: Allows easy observation of condensate flow and cooling performance. Chemical Resistant: Resists most common laboratory chemicals, solvents, and reagents. Versatile Applications: Ideal for distillation, reflux, extraction, synthesis, and general chemistry setups. Reusable & Long-Lasting: Designed for repeated laboratory use with proper handling. Professional Lab Quality: Suitable for research labs, teaching labs, and industrial applications. Specifications: Product Type: Liebig Condenser Material: Borosilicate Glass 3.3 Joint Size: 24/40 Joint Type: Standard Conical Ground Glass Joint Design: Straight inner tube with outer water jacket Hose Connectors: 2 (water inlet / outlet) Color: Clear Optional Lengths: 200mm, 300mm, 400mm, or as selected Compatibility: 24/40 standard ground glass joints

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    $35.85 - $55.95

  • Sale -0.3% Professional Laboratory Glass Liebig Condenser Lab Chemistry Distillation Column 14/20 Joint Professional Laboratory Glass Liebig Condenser Lab Chemistry Distillation Column 14/20 Joint

    POMEX Professional Laboratory Glass Liebig Condenser Lab Chemistry Distillation Column 14/20 Joint

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    Key Features: High-Quality Borosilicate Glass 3.3: Durable, chemically resistant, and suitable for demanding lab use. 14/20 Standard Conical Joint: Compatible with standard 14/20 ground glass laboratory glassware. Efficient Liebig Design: Straight inner tube and outer water jacket provide effective heat exchange. Dual Hose Connectors: Easy connection to cooling water inlet and outlet tubing. Excellent Thermal Shock Resistance: Suitable for typical distillation and reflux temperature changes. Clear Glass Construction: Allows easy observation of condensate flow and cooling performance. Chemical Resistant: Resists most common laboratory chemicals, solvents, and reagents. Versatile Applications: Ideal for distillation, reflux, extraction, synthesis, and general chemistry setups. Reusable & Long-Lasting: Designed for repeated laboratory use with proper handling. Professional Lab Quality: Suitable for research labs, teaching labs, and industrial applications. Specifications: Product Type: Liebig Condenser Material: Borosilicate Glass 3.3 Joint Size: 14/20 Joint Type: Standard Conical Ground Glass Joint Design: Straight inner tube with outer water jacket Hose Connectors: 2 (water inlet / outlet) Color: Clear Optional Lengths: 100mm, 150mm, 200mm, and 300mm

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    $39.85 - $160.00

  • Sale -37% Metal Joint Clips Lab Glassware Joints 14/20, 19/22, 24/40, 29/42 Standard Conical Interface Metal Joint Clips Lab Glassware Joints 14/20, 19/22, 24/40, 29/42 Standard Conical Interface

    POMEX Metal Joint Clips Lab Glassware Joints 14/20, 19/22, 24/40, 29/42 Standard Conical Interface

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    Strong Metal Construction: Durable metal body and spring design for secure joint retention. Reliable Joint Holding: Helps prevent accidental separation of ground glass joints during use. Standard Size Compatibility: Fits 14/20, 19/22, 24/40, and 29/42 standard conical interfaces. Spring-Style Snap-On Design: Quick and easy to attach or remove by hand—no tools required. Reusable & Long-Lasting: Made for repeated laboratory use and long service life. Corrosion-Resistant Finish: Suitable for normal laboratory environments, depending on material option. Heat-Resistant: More suitable than plastic clips for higher-temperature lab apparatus. Versatile Applications: Perfect for distillation, reflux, extraction, synthesis, and general glassware assembly. Easy Size Selection: Packaged or labeled by joint size for convenient ordering. Cost-Effective Lab Essential: Ideal for research labs, industrial labs, and educational laboratories. Specifications: Product Type: Keck-Style Clamp Clip Material: Metal stainless steel Joint Sizes: 14/20, 19/22, 24/40, 29/42 Compatibility: Standard conical ground glass joints Design: Spring-style snap-on clip Package Includes: 10 pcs

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    $25.00 - $28.00

  • Sale -45% Plastic Lab Keck Clamp Joint Clips for Standard Glassware Joints 14/20, 19/22, 24/40, 29/42 Conical Interface Plastic Lab Keck Clamp Joint Clips for Standard Glassware Joints 14/20, 19/22, 24/40, 29/42 Conical Interface

    POMEX Plastic Lab Keck Clamp Joint Clips for Standard Glassware Joints 14/20, 19/22, 24/40, 29/42 Conical Interface

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    Secure Joint Retention: Firmly holds ground glass joints together to reduce slippage and accidental disconnection. Multiple Standard Sizes: Available for 14/20, 19/22, 24/40, and 29/42 standard conical interfaces. Durable Plastic Construction: Lightweight, impact-resistant, and made for repeated laboratory use. Chemical-Resistant: Suitable for routine exposure to common lab chemicals and solvents when used as intended. Quick Snap-On Design: Easy to install and remove by hand—no tools required. Size Identification: Color-coded or clearly labeled by size for fast, convenient selection. Reusable & Cost-Effective: Ideal for research labs, teaching labs, and industrial applications. Versatile Applications: Perfect for distillation, reflux, extraction, synthesis, and general glassware assembly. Specifications: Product Type: Lab Keck Clamp Clip / Plastic Joint Clip Material: Laboratory-grade plastic  Joint Sizes: 14/20, 19/22, 24/40, 29/42 Compatibility: Standard conical ground glass joints Color: Assorted / color-coded by size, depending on option Package: Package includes 10 pcs Applications: Laboratory glassware, distillation, reflux, extraction, education, research

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    $22.00 - $25.00

  • Sale -9% Laboratory Glass Volumetric Flask Amber with Base Ground Stopper 1ml 2ml 5ml 10ml Laboratory Glass Volumetric Flask Amber with Base Ground Stopper 1ml 2ml 5ml 10ml

    POMEX Laboratory Glass Volumetric Flask Amber with Base Ground Stopper 1ml 2ml 5ml 10ml

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    Amber Glass Construction: Provides excellent UV protection to prevent degradation of light-sensitive solutions and compounds. Flat Base Design: Provides excellent stability when standing on the laboratory bench, preventing tipping and spills. Class A Calibration: Meets high accuracy standards for precise volume measurement and reliable preparation of standard solutions. Matching Ground Glass Stopper: Included stopper provides a tight, leak-proof seal to prevent evaporation, contamination, and spillage. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and outstanding performance. Heavy Wall Construction: Thicker glass walls deliver increased mechanical strength and extended service life in demanding laboratory environments. Clear Calibration Mark: Prominent graduation line enables accurate and repeatable volume measurement. Stable Flat Bottom Base: Provides stability when standing on the laboratory bench. Chemical Resistance: Resistant to most acids, bases, and organic solvents for long-term reliability. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Precision-Ground Joint: Stopper fits securely and removes easily without seizing. UV Protection: Amber glass protects photosensitive chemicals from light degradation. Durable & Reusable: Designed for repeated use, reducing replacement costs and ensuring long-term value. Versatile Applications: Ideal for analytical chemistry, titration, dilution, quality control, and research.

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    $19.99 - $160.00

  • Sale -10% Professional Glass Volumetric Flask Amber with Ground Stopper Borosilicate 3.3 Class A Heavy Wall Laboratory Grade Professional Glass Volumetric Flask Amber with Ground Stopper Borosilicate 3.3 Class A Heavy Wall Laboratory Grade

    POMEX Professional Glass Volumetric Flask Amber with Ground Stopper Borosilicate 3.3 Class A Heavy Wall Laboratory Grade

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    Amber Glass Construction: Provides excellent UV protection to prevent degradation of light-sensitive solutions and compounds. Class A Calibration: Meets high accuracy standards for precise volume measurement and reliable preparation of standard solutions. Matching Ground Glass Stopper: Included stopper provides a tight, leak-proof seal to prevent evaporation, contamination, and spillage. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and outstanding performance. Heavy Wall Construction: Thicker glass walls deliver increased mechanical strength and extended service life in demanding laboratory environments. Clear Calibration Mark: Prominent graduation line enables accurate and repeatable volume measurement. Stable Flat Bottom Base: Provides stability when standing on the laboratory bench. Chemical Resistance: Resistant to most acids, bases, and organic solvents for long-term reliability. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Precision-Ground Joint: Stopper fits securely and removes easily without seizing. UV Protection: Amber glass protects photosensitive chemicals from light degradation. Durable & Reusable: Designed for repeated use, reducing replacement costs and ensuring long-term value. Versatile Applications: Ideal for analytical chemistry, titration, dilution, quality control, and research.

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    $19.85 - $200.00

  • Transparent Laboratory Glass Volumetric Flask with Base Borosilicate Glass Heavy Wall 1ml 2ml 5ml 10ml Transparent Laboratory Glass Volumetric Flask with Base Borosilicate Glass Heavy Wall 1ml 2ml 5ml 10ml

    POMEX Transparent Laboratory Glass Volumetric Flask with Base Borosilicate Glass Heavy Wall 1ml 2ml 5ml 10ml

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    Flat Base Design: Provides excellent stability when standing on the laboratory bench, preventing tipping and spills. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and long-lasting performance. Heavy Wall Construction: Thicker glass walls deliver increased mechanical strength and extended service life. Available Capacities: 1ml, 2ml, 5ml, and 10ml to suit micro-scale laboratory applications. Clear Calibration Mark: Prominent graduation line enables accurate and repeatable volume measurement. Chemical Resistance: Resistant to most acids, bases, and organic solvents for long-term reliability. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Durable & Reusable: Designed for repeated use, reducing replacement costs and ensuring long-term value. Versatile Applications: Ideal for analytical chemistry, titration, dilution, quality control, and research.

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    $17.99 - $160.00

  • Sale -10% Professional Laboratory Glass Graduated Volumetric Flask with Stopper Borosilicate 3.3 10ml, 200ml, 250ml Professional Laboratory Glass Graduated Volumetric Flask with Stopper Borosilicate 3.3 10ml, 200ml, 250ml

    POMEX Professional Laboratory Glass Graduated Volumetric Flask with Stopper Borosilicate 3.3 10ml, 200ml, 250ml

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    Graduated Scale: Clear, easy-to-read graduations allow flexible measurement of multiple volumes in one flask. Matching Ground Glass Stopper: Provides a tight, leak-proof seal to prevent evaporation, contamination, and spillage. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and outstanding optical clarity. Heavy Wall Construction: Thicker glass walls for increased mechanical strength and long service life. Available Capacities: 10ml, 25ml, 50ml, 100ml, and 250ml to suit various laboratory needs. Clear Calibration Marks: Prominent graduation lines ensure accurate and repeatable volume measurement. Stable Flat Bottom Base: Allows the flask to stand securely on the laboratory bench. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Thermal Shock Resistance: Withstands typical laboratory temperature fluctuations when used correctly. Autoclavable: Safe for sterilization by autoclaving. Precision-Ground Joint: Stopper fits securely and removes easily without seizing. Durable & Reusable: Designed for repeated use, reducing replacement costs. Versatile Applications: Ideal for analytical chemistry, titration, dilution, quality control, and research.

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    $19.85 - $180.00

  • Sale -17% Glass Volumetric Flask with Glass Stopper Borosilicate Glass Heavy Wall 5ml to 5000ml Glass Volumetric Flask with Glass Stopper Borosilicate Glass Heavy Wall 5ml to 5000ml

    POMEX Glass Volumetric Flask with Glass Stopper Borosilicate Glass Heavy Wall 5ml to 5000ml

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    Heavy Wall Construction: Thicker glass walls offer increased mechanical strength and long-term durability. Matching Glass Stopper: Included ground glass stopper provides a tight seal to prevent leakage and evaporation. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and clear visibility of contents. Wide Capacity Range: Available from 5ml to 5000ml to accommodate various laboratory needs. Clear Graduation Line: Prominent calibration mark allows easy and accurate reading of the meniscus. Flat Bottom Base: Provides stability when standing on the lab bench. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Thermal Shock Resistance: Withstands typical laboratory temperature changes when used correctly. Autoclavable: Safe for sterilization by autoclaving. Precision-Ground Joint: Stopper fits securely and removes easily without seizing. Durable & Reusable: Designed for repeated use, reducing replacement costs. Versatile Applications: Ideal for analytical chemistry, titration, dilution, and quality control.

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    $12.85 - $125.00

  • Sale -10% Long Neck Flat Bottom Flask Lab Heavy Wall Borosilicate Glass Heavy Wall 100ml 250ml 500ml Long Neck Flat Bottom Flask Lab Heavy Wall Borosilicate Glass Heavy Wall 100ml 250ml 500ml

    POMEX Long Neck Flat Bottom Flask Lab Heavy Wall Borosilicate Glass Heavy Wall 100ml 250ml 500ml

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    Long Neck Design: Helps reduce evaporation and splashing, provides safer handling, and allows easy access for stirring or pouring. Flat Bottom: Allows the flask to stand upright on a lab bench, hot plate, or stirrer without additional support. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and clear visibility of contents. Heavy Wall Construction: Thicker glass walls provide increased mechanical strength and long-term durability. Wide Capacity Range: Available in 5ml, 10ml, 15ml, 25ml, 50ml, 100ml, 150ml, 250ml, 500ml, 1000ml, 2000ml and 3000ml sizes. Clear Glass: Allows easy observation of liquids, mixing, and reactions. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Thermal Shock Resistance: Withstands typical laboratory heating and cooling procedures when used correctly. Autoclavable: Safe for sterilization by autoclaving. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Versatile Applications: Suitable for mixing, sample preparation, storage, titration, and general laboratory work. Compatible with Standard Stoppers: Neck accepts suitable stoppers or closures depending on neck diameter. Durable & Reusable: Designed for repeated use, helping reduce replacement costs.

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    $12.95 - $170.00

  • Sale -11% Lab Glassware Long Neck Round Bottom Flask Borosilicate Glass Heavy Wall 50ml to 5000ml Lab Glassware Long Neck Round Bottom Flask Borosilicate Glass Heavy Wall 50ml to 5000ml

    POMEX Lab Glassware Long Neck Round Bottom Flask Borosilicate Glass Heavy Wall 50ml to 5000ml

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    Long Neck Design: Provides additional space for vapor expansion, reduces splashing, and allows for safer heating and reflux operations. Premium Borosilicate 3.3 Glass: Excellent thermal shock resistance, high chemical durability, and clear visibility of contents. Heavy Wall Construction: Thicker glass walls offer increased mechanical strength and durability for repeated use in demanding lab environments. Round Bottom (RBF): Ideal for uniform heat distribution and efficient magnetic stirring in heating mantles; helps minimize hot spots and bumping. Wide Capacity Range: Available from 50ml to 20000ml to accommodate various experimental scales and applications. Thermal Shock Resistance: Withstands rapid temperature changes typical in laboratory heating and cooling procedures when used correctly. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Autoclavable: Safe for sterilization by autoclaving. Clear Glass: Allows easy observation of reactions, boiling, and liquid levels. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Versatile Compatibility: Accepts standard stoppers or can be used with appropriate adapters for reflux and distillation setups. Durable & Reusable: Designed for long-term laboratory use, reducing replacement costs.

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    $12.99 - $160.00

  • Sale -16% 4 Bevel Neck Round Bottom Flask Boiling Lab Borosilicate Glass with 19/22 Joint 250ml 500ml 4 Bevel Neck Round Bottom Flask Boiling Lab Borosilicate Glass with 19/22 Joint 250ml 500ml

    POMEX 4 Bevel Neck Round Bottom Flask Boiling Lab Borosilicate Glass with 19/22 Joint 250ml 500ml

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    4 Bevel Neck Design: Four-neck beveled configuration allows multiple apparatus connections for complex reaction setups and improved access to each neck. 19/22 Standard Taper Outer Joints: Precision-ground male joints provide a secure, leak-proof fit with standard 19/22 female joint condensers, adapters, stoppers, thermometers, and addition funnels. Available from 50ml to 500ml: Choose the capacity that best fits your laboratory application. Premium Borosilicate 3.3 Glass: High thermal shock resistance, excellent chemical durability, and clear visibility of contents. Round Bottom (RBF): Ideal for uniform heating and efficient magnetic stirring in heating mantles; helps reduce bumping and hot spots. Heavy-Wall Construction: Durable, autoclavable, and designed for repeated use in demanding laboratory environments. Precision-Ground Joints: Smooth, accurately tapered joints ensure easy connection and removal without seizing. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Thermal Shock Resistance: Suitable for typical lab heating and cooling procedures when used correctly. Clear Glass: Allows easy observation of reactions, boiling, and liquid levels. Versatile Applications: Ideal for multi-step synthesis, distillation, reflux, extraction, titration, and general laboratory research. Compatible: Works with standard 19/22 female joint glassware and accessories.

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    $35.95 - $145.00

  • Sale -10% 4 Bevel Neck Round Bottom Lab Flask Boiling RBF Borosilicate Glass with 24/40 Standard Taper Outer Joint 4 Bevel Neck Round Bottom Lab Flask Boiling RBF Borosilicate Glass with 24/40 Standard Taper Outer Joint

    POMEX 4 Bevel Neck Round Bottom Lab Flask Boiling RBF Borosilicate Glass with 24/40 Standard Taper Outer Joint

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    4 Bevel Neck Design: Four-neck configuration with beveled/angled side necks allows multiple apparatus connections for complex reaction setups. 24/40 Standard Taper Outer Joints: All necks feature 24/40 male joints for a secure, leak-proof fit with standard 24/40 condensers, adapters, stoppers, thermometers, and addition funnels. Premium Borosilicate 3.3 Glass: High thermal shock resistance, excellent chemical durability, and clear visibility of contents. Round Bottom (RBF): Ideal for uniform heating and efficient magnetic stirring in heating mantles; helps reduce bumping and hot spots. Heavy-Wall Construction: Durable, autoclavable, and designed for repeated use in demanding laboratory environments. Precision-Ground Joints: Smooth, accurately tapered outer joints ensure easy connection and removal without seizing. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Thermal Shock Resistance: Suitable for typical lab heating and cooling procedures when used correctly. Clear Glass: Allows easy observation of reactions, boiling, and liquid levels. Versatile Applications: Ideal for multi-step synthesis, distillation, reflux, extraction, titration, and general laboratory research. Available in Multiple Capacities: Select the capacity from 50ml to 3000ml that best fits your application. Complete Setup Ready: Works with standard 24/40 female joint glassware and accessories.

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    $35.99 - $160.00

  • Sale -9% Three Neck Round Bottom Flask 29/42 Joints Borosilicate Lab Glassware 250ml 500ml 1000ml Three Neck Round Bottom Flask 29/42 Joints Borosilicate Lab Glassware 250ml 500ml 1000ml

    POMEX Three Neck Round Bottom Flask 29/42 Joints Borosilicate Lab Glassware 250ml 500ml 1000ml

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    Three-Neck Design: Allows for simultaneous addition of reagents, temperature monitoring, and distillation/condensation. Precision-Ground 29/42 Joints: All three necks feature 29/42 male joints for a secure, leak-proof fit with standard 29/42 condensers, adapters, stoppers, thermometers, and addition funnels. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.

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    $29.99 - $160.00

  • Sale -11% Three Neck Borosilicate Lab Glass Round Bottom Flask 14/20 19/22 24/40 29/42 Joints Three Neck Borosilicate Lab Glass Round Bottom Flask 14/20 19/22 24/40 29/42 Joints

    POMEX Three Neck Borosilicate Lab Glass Round Bottom Flask 14/20 19/22 24/40 29/42 Joints

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    Premium Borosilicate 3.3 Glass: High thermal shock resistance, excellent chemical durability, and clear visibility of contents. Multiple Joint Sizes Available: Choose from 14/20, 19/22, 24/40, or 29/42 standard taper outer joints to match your existing lab glassware. Standard Taper Joints: Precision-ground for a secure, accurate fit with condensers, adapters, stoppers, thermometers, and addition funnels. Three-Neck Configuration: Center neck plus two side necks allow multiple operations at once, improving workflow and reducing setup complexity. Round Bottom Design: Ideal for uniform heating and efficient magnetic stirring in heating mantles; helps minimize hot spots and bumping. Heavy-Wall Construction: Durable, autoclavable, and built for repeated use in demanding laboratory environments. Precision-Ground Joints: Smooth, accurately tapered joints ensure easy connection and removal without seizing. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Clear Glass: Allows easy observation of reactions, boiling, and liquid levels. Versatile Applications: Suitable for multi-step synthesis, distillation, reflux, extraction, titration, and general research. Available in Multiple Capacities: Select the capacity that best fits your application; available sizes vary by joint type.

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    $24.99 - $160.00

  • Sale -10% Three Neck Round Bottom Flask Borosilicate Lab Glassware ST24/40 Standard Taper Outer Joints 250ml 50ml Three Neck Round Bottom Flask Borosilicate Lab Glassware ST24/40 Standard Taper Outer Joints 250ml 50ml

    POMEX Three Neck Round Bottom Flask Borosilicate Lab Glassware ST24/40 Standard Taper Outer Joints 250ml 50ml

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    24/40 Standard Taper Outer Joints: All three necks feature 24/40 male joints for a secure, leak-proof fit with standard 24/40 condensers, adapters, stoppers, thermometers, and addition funnels. Three-Neck Design: Allows simultaneous reflux, stirring, reagent addition, temperature monitoring, or distillation in one compact setup. Round Bottom: Ideal for uniform heating and efficient magnetic stirring in heating mantles; helps reduce bumping and hot spots. High-Quality Borosilicate 3.3 Glass: Offers excellent thermal shock resistance, chemical durability, and clear visibility of contents. Heavy-Wall Construction: Durable and autoclavable, designed for repeated use in demanding laboratory environments. Precision-Ground Joints: Smooth, accurately tapered outer joints ensure a tight seal and easy connection or removal without seizing. Uniform Wall Thickness: Promotes even heat transfer and reliable mechanical strength. Chemical Resistance: Resistant to most acids, bases, and organic solvents. Versatile Applications: Suitable for multi-step synthesis, distillation, extraction, reflux, titration, and general lab research. Available Capacities: Choose from common sizes such as 50ml, 100 mL, 250 mL, 500 mL, 1000 mL, and 2000 mL.

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    $25.99 - $140.00

  • Sale -21% Three-Neck Round Bottom Boiling Flask 19/22 Taper Outer Joint Borosilicate Glass 150ml 250ml 500ml Three-Neck Round Bottom Boiling Flask 19/22 Taper Outer Joint Borosilicate Glass 150ml 250ml 500ml

    POMEX Three-Neck Round Bottom Boiling Flask 19/22 Taper Outer Joint Borosilicate Glass 150ml 250ml 500ml

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    Three-Neck Design: Allows for simultaneous addition of reagents, temperature monitoring, and distillation/condensation. 19/22 Taper Outer Joints: All three necks feature 19/22 male joints for a secure, leak-proof fit with standard 19/22 condensers, adapters, stoppers, thermometers, and addition funnels. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.

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    $25.99 - $140.00

  • Sale -21% Three Neck Round Bottom Boiling Flask 14/20 Joints Borosilicate Lab Glassware 25ml 50ml Three Neck Round Bottom Boiling Flask 14/20 Joints Borosilicate Lab Glassware 25ml 50ml

    POMEX Three Neck Round Bottom Boiling Flask 14/20 Joints Borosilicate Lab Glassware 25ml 50ml

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    Three-Neck Design: Allows for simultaneous addition of reagents, temperature monitoring, and distillation/condensation. Precision-Ground 14/20 Joints: The three vertical necks feature standard 14/20 Taper Outer Joints, ensuring a tight, leak-proof fit with your existing condensers, adapters, and thermometers. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.

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    $25.99 - $100.00

  • Sale -9% Borosilicate Glass Two Neck Round Bottom Flask RBF 29/42 Taper Outer Joint 500ml 1000ml Borosilicate Glass Two Neck Round Bottom Flask RBF 29/42 Taper Outer Joint 500ml 1000ml

    POMEX Borosilicate Glass Two Neck Round Bottom Flask RBF 29/42 Taper Outer Joint 500ml 1000ml

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    Taper Outer Joints: Center 29/42 joint, side necks are 24/40 or 29/42 joints, simplifying setup and maximizing compatibility with existing glassware. Precision-Ground Joints: Accurately ground to ensure tight, leak-resistant seals with compatible components. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.

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    $28.99 - $120.99

  • Sale -7% Borosilicate Glass Two Neck Round Bottom Flask RBF 24/40 Center 19/22 Side Joints 250ml 500ml 1000ml Borosilicate Glass Two Neck Round Bottom Flask RBF 24/40 Center 19/22 Side Joints 250ml 500ml 1000ml

    POMEX Borosilicate Glass Two Neck Round Bottom Flask RBF 24/40 Center 19/22 Side Joints 250ml 500ml 1000ml

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    Matched Joint Sizes: Center joint is 24/40, and side joint is 19/22. Simplifying setup and maximizing compatibility with existing glassware. Multi-Port Flexibility: Two necks allow simultaneous use of a condenser, thermometer, addition funnel, or gas inlet in a single flask. Secure Dual-Joint Sealing: Precision-ground joints provide tight, leak-resistant connections for reliable, contamination-free results. Superior Thermal Shock Resistance: Borosilicate Glass 3.3 withstands rapid temperature changes and direct heating without cracking. Excellent Chemical Durability: Inert surface resists attack from most acids, bases, and solvents, ensuring sample integrity. Even Heating & Efficient Mixing: Round bottom design promotes uniform heat distribution and smooth boiling for consistent results. Clear Visual Monitoring: Transparent glass enables easy observation of reaction progress, boiling, and volume levels. Durable & Reusable: Non-porous, smooth surface is easy to clean and built for repeated laboratory use.

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    $29.90 - $120.00

  • Sale -12% Two Neck Round Bottom Flask Borosilicate Glass RBF 19/22 Joints 100ml 250ml 500ml 1000ml Two Neck Round Bottom Flask Borosilicate Glass RBF 19/22 Joints 100ml 250ml 500ml 1000ml

    POMEX Two Neck Round Bottom Flask Borosilicate Glass RBF 19/22 Joints 100ml 250ml 500ml 1000ml

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    Taper Outer Joints: Center 19/22 joint, side necks are 19/22 or 14/20 joints, simplifying setup and maximizing compatibility with existing glassware. Precision-Ground Joints: Accurately ground to ensure tight, leak-resistant seals with compatible components. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.

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    $27.99 - $115.00

  • Sale -8% Borosilicate Glass RBF Two Neck Round Bottom Flask 24/40 Center & Side Standard Taper Outer Joints Borosilicate Glass RBF Two Neck Round Bottom Flask 24/40 Center & Side Standard Taper Outer Joints

    POMEX Borosilicate Glass RBF Two Neck Round Bottom Flask 24/40 Center & Side Standard Taper Outer Joints

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    Dual 24/40 Standard Taper Outer Joints: Center and side necks share the same 24/40 joint size, simplifying setup and maximizing compatibility with existing glassware. Precision-Ground Joints: Accurately ground to ensure tight, leak-resistant seals with compatible 24/40 inner joint components. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.

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    $27.95 - $120.00

  • Sale -12% 2-Neck Round Bottom Flask 14/20 Center & Side Taper Outer Joints 100ml 2-Neck Round Bottom Flask 14/20 Center & Side Taper Outer Joints 100ml

    POMEX 2-Neck Round Bottom Flask 14/20 Center & Side Taper Outer Joints 100ml

    Ships today

    Precision-Ground 14/20 Joints: Both joints are 14/20 taper outer joints, and accurately ground to ensure tight, leak-resistant seals with compatible inner joint glassware. Borosilicate Glass 3.3 Construction: Low expansion coefficient provides superior thermal shock resistance, suitable for direct heating, cooling, and autoclave sterilization. Uniform Round Bottom Geometry: Spherical body promotes even heat distribution and controlled boiling for efficient distillation and reflux. Chemical Inertness: Resistant to most acids, bases, and organic solvents, preserving sample purity and analytical accuracy. Optical Clarity: Transparent glass allows clear visual monitoring of reactions, boiling dynamics, and sample volume.

    Ships today

    $28.99 - $199.00


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