Flask

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  • …neck size The Denville 250ml, 500ml and 1000ml Vacuum Filtration Flasks are ideal for separation and purification of your samples. Membrane material includes PES and PVDF in .22µm and .45µm. Our flasks have a wide bottle opening for easy access and pouring of your samples, and…

  • …caps (no membrane) and vented caps (with breathable membrane) are available Clear lot number for batch traceability Non-Pyrogenic, DNase/RNase-FREE Denville® cell culture flasks have an even surface, and Vacuum Plasma tissue culture treatment ensures maximum, uniform cell growth.

  • KIMAX Erlenmeyer Flasks

    DWK Life Sciences (Kimble)

    Tooled, heavy-duty top finish Tops are of carefully controlled diameter Scale indicates approximate volume Thick walled body with tapered contour to minimize chipping

  • SYNTHWARE Erlenmeyer Flasks

    Kemtech America

    SYNTHWARE Erlenmeyer flask with standard taper outer joint. All sizes are hand blown from tubing to ensure heavy and uniform wall.

  • …the toughest lab conditions Normal working temperatures for PYREX brand boiling flasks is 230°C Precisely tooled for uniform stopper fit Reinforced rim increases mechanical strength These flasks are used in applications requiring rigid stoppering and as wash bottles in routine lab…

  • Filtering Flask

    United Scientific Supplies

    Borosilicate Glass Filtering Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack, Narrow Mouth, Heavy Wall; Bolt neck with tubulation.

  • Disposable flasks feature wide, easily accessible mouths Optically clear polycarbonate Baffled and non-baffled bottoms available Sterile and certified non-pyrogenic Fernbach design 4907K36, 4907K49, 4907K30, and 4907K48 are certified RNase- and DNase-free Designed for…

  • ValueWare® Filter Flasks, Heavy Wall

    DWK Life Sciences (Kimble)

    Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use.…

  • KIMAX Heavy Wall Filter Flasks

    DWK Life Sciences (Kimble)

    …for tubing Sizes 25 mL through 4000 mL Designed from Federal Specifications NNN-F-240 Scale indicates approximate volumes Flasks are fabricated from molded heavy wall for strength and have a beaded bottom surface that prevents scratching and slippage for additional safety.

  • Erlenmeyer Flasks

    United Scientific Supplies

    Borosilicate Glass Erlenmeyer Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack, Wide Mouth.

  • Flasks are designed for culturing organisms that require a large surface area to volume ratio. Available with a plain 59mm ID neck, 38mm OD Delong style neck or GL-45 screw neck supplied with a vented cap.

  • 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.

  • SYNTHWARE round bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.

  • For use in vacuum filtration applications Withstands full vacuum (to 30” Hg) With hose barb for 1/4” I.D. tubing

  • …type extraction apparatus used for continuous extraction of solids with a suitable solvent. Extractor uses paper or CG-1372 glass thimbles. Condenser has an enlarged uptake tube to improve condensing capacity. Complete apparatus consists of an Allihn condenser, extractor and flat bottom flask.

  • Flask Brushes

    Allied K&R

    For volumetric flasks, with bristle part 1 1/2” diameter and plastic handle Flexibility of curved spring portion to which bristles are attached enables brush to reach all parts of flask

  • SYNTHWARE flat bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.

  • Class A Borosilicate Glass, 3 side baffles positioned at 120 degree and 3 bottom baffles offset from side baffles, GL45 PP Membrane Cap has a sealed in 0.2µ PTFE membrane, cap can be tightened during autoclaving.

  • Calibrated "to contain" (TC) at 20°C and amberized for light sensitive studies, these Class A, borosilicate glass, wide mouth flasks are designed to provide pipette access along with facilitating filling and sampling. Unique flat bottom interior permits use of a standard stir bar. The…

  • Stainless Steel Dewar Flasks

    Crystal Technologies

    Store and transport low-temperature liquid gases or high temperature liquids. Dewar flasks are available in two sizes 1000ml or 500ml and come complete with vented stainless steel lids. Model SDF-1000 comes with removable stainless steel handle.

  • Clear glass with glass stoppers Pipet access is easy with wide mouth, volumetric flasks Superior strength, durability and safety from heavy, uniform walls Quick identification with large, permanent, easy-to-read markings Flat interior bottoms for stirring with standard stir bars …

  • Economical Vented lid Suitable for LN2 or dry-ice 4 sizes available Blue metal cased economy Dewar Flasks are rust and corrosion resistant. Double-walled silvered boroscilicate glass, vacuum pumped insures efficient storage, transport and use of liquid nitrogen and dry-ice. Lid vent…

  • Round bottom and long neck 30 mL size has square-cut mouth for multiple micro digestions; mouths of larger sizes are tooled for uniform rubber stopper fit. 30 mL flask conforms with ASTM Standard E 147 for microchemical apparatus; 100 mL through 800 mL flasks can be used in ASTM E 258 procedure.

  • KIMAX Narrow Mouth Erlenmeyer Filter Flasks

    DWK Life Sciences (Kimble)

    … ASTM Specification E 1406, Type I With capacity scale 250 mL flasks take rubber stopper No. 6; 500 mL flasks take No. 7; 1,000 mL flasks take No. 8; 2,000 mL flasks take No. 9; 4,000 mL flasks take No. 12. Flasks are fabricated from molded heavy wall for strength and have a beaded bottom…

  • PVC Flask Clamps Autoclavable One piece, molded PVC construction Will not scratch or mark flask like other clamps Includes hardware for easy attachment to platforms Attaching and removing of flasks is quick and easy

  • Nalgene Polypropylene Volumetric Flasks

    Thermo Scientific Nalgene

    Accuracy of standard glass flasks combined with the break resistance of plastic Leakproof No meniscus to confuse readings Gravimetrically calibrated individually TC/TD at 20°C, then marked with a permanent color graduation line. Oval marking spot has additional line at 203 mL level for BOD and…

  • …No. 1203L53, 1203L54, 1203L55 and 1203L56 DeLong culture flask Borosilicate glass Type 1, Class A Graduated to approximate volumes Thomas No. 1203L57, 1203L58, 1203L59, 1203L60, 1203L61 and 1203L62 DeLong culture flask without closure Stainless steel or kap-uts disposable…

  • …contamination. Thermo Scientific™ Nalgene™ Class B Polymethylpentene (PMP) Volumetric Flasks with Screw Caps are calibrated "To Contain" and "To Deliver" at 20°C. Flasks are lighter in weight than glass, more transparent than polypropylene and offer excellent…

  • Extra heavy, unmarked blanks for fabrication of filter apparatus. Top has a tooled finish to accept a rubber stopper or neoprene filter adapter.

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

  • 10L Bottle/Filter Flask

    United Scientific Supplies

    …walls and sturdy construction, this 10L bottle/flask is perfect for filtering large volumes of liquid. The thick walls and design enables this flask to withstand vacuum filtration without imploding. Graduated in 1000mL increments on a scale from 2000mL to 8000mL with an accuracy of +/- 5%. Neck…

  • Instatherm coated, erlenmeyer flask delivers rapid heating up to 250°C. Always use with a temperature controller and never run dry.

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