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  • Polycarbonate Erlenmeyer Flasks (Flat Base)


    TriForest Erlenmeyer Shaker Flasks are manufactured with virgin, optically clear, non leaching LEXAN® Polycarbonate resin that retains clarity after gamma radiation. The flasks are certified pyrogen free, DNase/RNase free, ideal for cell cultures, microbial cultures, plants, media preparation,…

  • Borosil® Narrow Mouth Erlenmeyer Conical Flasks with Interchangeable Glass…


    Borosil® brand Flasks are designed to deliver the best combination of thermal shock resistance along with physical strength and resistance to chemical attack. Borosil® Narrow Mouth Conical Erlenmeyer Flasks with Interchangeable Glass Stopper comes Uniform wall thickness distribution makes…

  • Glassblowers Flask Blanks, Flat Bottom


    Blanks for fabrication of single or multi-neck flat bottom flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.

  • Conical Flange Vessel Clamp

    Wilmad-LabGlass - SP Scienceware

    This clamp is designed for reaction vessels/kettles with a conical flange. The top clamp is easily removed without disturbing the cover or body of reaction flask. Disassemble by loosening nuts. Includes extension rod for clamping to a laboratory stand. NOTE: Use with LG-8010 to LG-8050 vessels…

  • Baffled Shaker Flasks

    DWK Life Sciences (Kimble)

    Designed for use with rotary and reciprocating shakers Plain, fire-polished finish All necks are 38 mm o.d. Baffle indents provide greater turbulence to improve oxygen transfer rates or aeration.

  • Flasks, Reaction, Single Neck, Airfree®, Schlenk


    Kjeldahl shape facilitates heating and stirring while permitting easy transfer of liquids or solids. Lower portion of flask fits standard heating mantles. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap®…

  • PYREX® EZ Access™ Wide Mouth Volumetric Flasks


    These PYREX® EZ Access™ wide mouth volumetric flasks are calibrated to Class A tolerances and are designed for microchemical work. The heavy duty, wide mouth facilitates filling and mixing. Supplied with interchangeable Standard Taper PYREX® ground glass stopper. The graduation line…

  • PTFE Boiling Flask, Round Bottom, Single Neck

    Ace Glass

    Round bottom,single neck,all PTFE boiling flask. Maximum temperature 260 degrees C.

  • PYREX® Class A Volumetric Flasks


    These PYREX® volumetric flasks provide improved lab convenience, broad selection and precise volume measurement. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for Standard Taper glass stoppers. Stoppers are…

  • Flasks, Dewar, Stainless Steel, Carrying Handle


    Unbreakable Dewar flask is made entirely of Stainless Steel. Dewar flask has many flexible laboratory applications including cooling of small samples and as an insulating flask. Furthermore, it can be used for storage and transport of liquid nitrogen LN2, dry ice CO2, and…

  • Heavy Wall 2L Round Bottom 2-Neck Flasks

    Across International

    Ai 2L, 24/40 standard taper joint, heavy wall, round bottom 2-neck flask with one vertical 24/40 neck, and one angled 24/40 side neck. Glass material: high borosilicate glass 3.3.

  • Cell Culture Flasks


    Made of high quality medical grade polystyrene Available flask sizes include surface areas of 25 cm 2 , 75 cm 2 , or 175 cm 2 Plug cap and filter cap options available for all flask sizes Plug caps completely isolate the culture from the outside environment Filter caps prevent…

  • Wide Mouth, Conical Erlenmeyer Flasks

    United Scientific Supplies

    Wide Mouth, conical flask made of polypropylene. Comes with a screw cap, or can be used with a stoper. Chemical resistant and autoclavable to 120 degrees C. Graduated in easy to see green print

  • Borosil® Class A Volumetric Flasks


    Borosil® Class A Volumetric Flasks are individually calibrated by automatic, laser-controlled calibration equipment. Supplied with standard PP stoppers. Flasks comply with ASTM E-288-Class A. 20mL option is not covered in ASTM. 5mL, 10mL, and 20mL options have a trapezoidal shape…

  • KIMAX Kjeldahl Flasks

    DWK Life Sciences (Kimble)

    Reinforced bead at top 300 mL and larger sizes have tooled necks 10 and 30 mL sizes are designed from ASTM Specification E 147; 100 mL through 800 mL sizes are designed from ASTM Specification E 1377, Type 1 requirements.

  • PYREX® Class A Low Actinic Volumetric Flasks


    Low actinic stained glass provides protection for materials sensitive to light. The protective color is an integral part of the flask, which retains the mechanical strength, chemical stability and thermal resistance of PYREX brand hardware.

  • PYREX Baffled Culture Flask


    Screw cap This wide mouth flask is designed for culturing organisms requiring a large surface area to volume ratio. Triple baffled on the bottom outside edges to achieve maximal oxygen transfer to culture medium. Supplied with GL45 orange polypropylene cap.

  • Flask, Recovery, Rotary Evaporator

    Ace Glass

    A multipurpose, round bottom flask with a single neck and sloping side wall. Designed for use as a recovery flask with rotary evaporators. Heavy wall product family members feature approximately 30% heavier wall weights.

  • Thomas-Schoniger Combustion Flasks


    Replacement flasks Rapid, simple and inexpensive technique for combustion analysis of organic materials in oxygen atmosphere For determination of sulfur, halogens, phosphorus, traces of metals, etc., in organic substances by combustion in oxygen Complies with ASTM Standard E 205 Procedure…

  • Shake Flask Assembly, CO2, Gledhill*, Modified

    Ace Glass

    Determines CO2 evolution to assess biodegradability by soil and sewerage micro-organisms. Shake flask fits standard laboratory shakers. #7 Ace-Thred side port with Nylon bushing and FETFE O-ring holds a glass septum adapter. Inner well has a capacity of 10 mL plus head space. Well is held securely…

  • Reusable Glass Wide Mouth Spinner Flasks with Angled Sidearms


    Side baffles enhance aeration and agitation of flask contents Vessels are borosilicate glass Patented “stretch” impeller design ensures optimal stirring. Consistent height-to-width ratios provide greater predictability in scale up across the full range of vessel sizes.…

  • Flask Complete 4000 ml


    These PYREX® 4L volumetric flasks provide improved lab convenience, broad selection and precise volume measurement. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 38 Standard Taper pennyhead glass…

  • Flasks, Dewar, Low Form, Foam


    Features: Increased SAFETY- Unbreakable Lightweight Design Each Dewar is Supplied with a Lid Patented Closed Cell Foam Construction (USPTO # 7,971,744) Lower Boil Off and Consumption of Liquid Nitrogen Patented foam dewars provide a safe and durable vessel for handling…

  • Flasks, Storage, Straus, Airfree®, Schlenk


    Round bottom storage flask which can maintain dry, grease-free and deoxygenated solvent storage for long periods of time. Unique design permits filling of the flask using a 24/40 inlet off of a vacuum line and recovery of the solvent via a cannula or syringe through the valve body.

  • SYNTHWARE Low Form Hemispherical Dewar Flasks

    Kemtech America

    Dewar Flask, Low Form, Hemispherical Multiple sizes available, with aluminum base to allow transfer of magnetic field. *Due to extra high vacuum, the Dewar flasks still have a rare possibility to explode, so working behind a safety shield in hood and always wearing goggles are strongly recommended.

  • PYREX Low Actinic Erlenmeyer Flask


    Spectral transmission varies from 0 at 300 nm to 4% at 500 nm With barrel-shaped, No. 27 Standard Taper stopper Capacity: 250 mL The protective color is an integral part of the flask, which retains the mechanical strength, chemical stability and thermal resistance of PYREX brand labware.

  • Flasks, Storage, Side Arm, Airfree®, Schlenk


    Round bottom storage flask with a standard taper outer joint on the sidearm. The 50, 100 and 250mL sizes have a 0-4mm Chem-Vac™ Chem-Cap® valve while the 500 and 1000mL sizes have a 0-8mm valve size.

  • Reaction Flask Head, #7 Ace-Thred

    Ace Glass

    Heads with four necks, three inline standard taper joints and one perpendicular #7 Ace-Thred™ thermometer joint. Included 5029 nylon bushing & FETFE o-ring permits vertical adjustment of 6-7mm OD thermometers. Use with our 6504,6511 & 6516 reaction vessels that feature either a 137 x 100mm ID…

  • Gasket, Reaction Flask

    Ace Glass

    Flat gaskets for sealing two flat ground glass surfaces. Plain flat or grooved PTFE gaskets reduce breakage and make an effective seal. Our flat, exclusive FETFE gasket provides a leak-free seal with slight clamp pressure. These are designed especially for use with our conical or flat ground flange…

  • CellBind Rectangular Canted Neck Cell Culture Flask


    Helps adapt cells to reduced serum or serum-free conditions 25, 75 or 150 cm 2 sizes 10, 60 or 210 mL maximum working volumes Rectangular canted neck cell culture flasks have been treated with a patented Corning® CellBIND surface treatment for optimal cell attachment.…

  • Flasks, Volumetric, Class A, Glass Stoppers


    Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type 1, Class "A" unserialized flasks and ASTM E-288. Supplied complete with one solid glass pennyhead stopper. For additional stoppers, see CG-3018.

  • Calibration/Measuring Flasks, TC Ounce System

    Wilmad-LabGlass - SP Scienceware

    Intended for checking automatic fill volumes, the borosilicate glass flask is calibrated "to contain" (TC) at 68°F.

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