Labware and Lab Supplies Products & Reviews

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Labware and lab supplies include various forms of glassware, plasticware, reagents and personal protective equipment (PPE) and are used across all scientific laboratories, enabling daily tasks to be performed. Explore a range of flasks and beakers, petri dishes, carboys and storage bottles. Labware such as condensers, desiccators and burettes are also available for more specific tasks. Find the best labware and lab supplies in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.

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PYREX® 1L Heavy Wall Filtering Flasks with Replaceable Tubulation

Corning Life Sciences

(This is the suggested replacement for 5342-1L)These 1L PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 8 rubber stopper. Tubulation O.D. is 12.5mm."

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PYREX® 250 mL Heavy Wall Filtering Flasks with Replaceable Tubulation

Corning Life Sciences

(This is the suggested replacement for 5342-250)These 250 mL PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 6 rubber stopper. Tubulation O.D. is 12.5mm"

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PYREX® 2L Heavy Wall Filtering Flasks with Replaceable Tubulation

Corning Life Sciences

(This is the suggested replacement for 5342-2L)These 2L PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 9 rubber stopper. Tubulation O.D. is 12.5mm."

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PYREX® 4L Heavy Wall Filtering Flasks with Replaceable Tubulation

Corning Life Sciences

(This is the suggested replacement for 5342-4LThese 4L PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 12 rubber stopper. Tubulation O.D. is 12.5mm."

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PYREX® 500 mL Heavy Wall Filtering Flasks with Replaceable Tubulation

Corning Life Sciences

(This is the suggested replacement for 5342-500)These 500 mL PYREX® heavy wall flasks have seated a bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers and uses a No. 7 rubber stopper. Tubulation O.D. is 12.5mm."

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PYREX® 100 mL Round Bottom Kjeldahl Flask with Long Neck

Corning Life Sciences

These 100 mL PYREX® Kjeldahl flasks have tooled finished necks for extra strength and uniform rubber stopper (No. 2) fit. Wall thickness is controlled to offer the optimum balance between thermal shock and chemical resistance. They can be used in ASTM E-258 procedures. Care must be taken to ensure the bottoms of the flasks do not come in contact with the heating elements. Most Kjeldahl equipment manufacturers have ring support…

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PYREX® 300 mL Round Bottom Kjeldahl Flask with Long Neck

Corning Life Sciences

These 300 mL PYREX® Kjeldahl flasks have tooled finished necks for extra strength and uniform rubber stopper (No. 5) fit. Wall thickness is controlled to offer the optimum balance between thermal shock and chemical resistance. They can be used in ASTM E-258 procedures. Care must be taken to ensure the bottoms of the flasks do not come in contact with the heating elements. Most Kjeldahl equipment manufacturers have ring support…

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PYREX® 800 mL Round Bottom Kjeldahl Flask with Long Neck

Corning Life Sciences

These 800 mL PYREX® Kjeldahl flasks have tooled finished necks for extra strength and uniform rubber stopper (No. 7) fit. Wall thickness is controlled to offer the optimum balance between thermal shock and chemical resistance. They can be used in ASTM E-258 procedures. Care must be taken to ensure the bottoms of the flasks do not come in contact with the heating elements. Most Kjeldahl equipment manufacturers have ring support…

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PYREX® 100 mL EZ Access™ Low Actinic Wide Mouth Volumetric Flask, Class A, Heavy Duty, with Glass Standard Taper Stopper

Corning Life Sciences

These 100 mL PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. Low actinic stained glass provides protection for materials sensitive to light. The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance. The heavy duty, wide mouth facilitates filling and mixing. Supplied with an…

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PYREX® 25 mL EZ Access™ Low Actinic Wide Mouth Volumetric Flask, Class A, Heavy Duty, with Glass Standard Taper Stopper

Corning Life Sciences

(This is the suggested replacement for 55635-25FO)These 25 mL PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. Low actinic stained glass provides protection for materials sensitive to light. The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance. The heavy duty, wide mouth…

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PYREX® 250 mL EZ Access™ Low Actinic Wide Mouth Volumetric Flask, Class A, Heavy Duty, with Glass Standard Taper Stopper

Corning Life Sciences

These 250 mL PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. Low actinic stained glass provides protection for materials sensitive to light. The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance. The heavy duty, wide mouth facilitates filling and mixing. Supplied with an…

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PYREX® 50 mL EZ Access™ Low Actinic Wide Mouth Volumetric Flask, Class A, Heavy Duty, with Glass Standard Taper Stopper

Corning Life Sciences

(This is the suggested replacement for 55635-50FO)These 50 mL PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. Low actinic stained glass provides protection for materials sensitive to light. The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance. The heavy duty, wide mouth…

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PYREX® Low Actinic 10 mL Class A Volumetric Flask with Glass Standard Taper Stopper

Corning Life Sciences

These 10 mL Class A PYREX® volumetric flasks are made from low actinic stained glass to provide protection for materials sensitive to light. The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 9 Standar…

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PYREX® Low Actinic 100 mL Class A Volumetric Flasks with Glass Standard Taper Stopper

Corning Life Sciences

These 100 mL Class A PYREX® volumetric flasks are made from low actinic stained glass to provide protection for materials sensitive to light. The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 13 Stand…

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PYREX® Low Actinic 1L Class A Volumetric Flask with Glass Standard Taper Stopper

Corning Life Sciences

These 1L Class A PYREX® volumetric flasks are made from low actinic stained glass to provide protection for materials sensitive to light. The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 22 Standard…

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