Lab Flasks

Lab Flasks

Products (808)

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  • SYNTHWARE Schlenk Storage Tubes with High Vacuum Valves

    SYNTHWARE Schlenk storage tube with a high vacuum valve. The valve has a PTFE O-ring at the tip and a PTFE wiper to protect the O-rings on the shaft. Valve is used to control liquid or gas flow into the vessel.

  • Recovery Flasks, Heavy Wall, with Square Joint Bead and Plastic Safety Coating

    KimCote® plastic-coated single neck flask with a outer joint designed for easy recovery of reaction products. Total contents are accessible with a spatula or policeman. Lower portion fits standard heating mantles. Even wall thickness and minimum runout make these flasks ideal for use with Rotary...

  • Class A Reusable Plastic Volumetric Flask, Perfluoroalkoxy-copolymer

    Transluscent flasks are supplied with a PFA screw cap. Screw caps provide hermetic seals and help reduce the possibility of outside contamination. The product is manufactured to Class A tolerances as defined by ISO 1042 and flasks have individually calibrated graduation lines. They withstand high...

  • Worthington LD Series Liquid Nitrogen Dewars LD4, pitcher style

    LD Series Liquid Nitrogen Dewars are designed for storage of small quantities of liquid nitrogen. High-strength aluminum shell is both durable and light-weight. Super insulation provides advanced thermal protection. Neck tube joins inner and outer container, providing maximum durability and minimum...

  • Falcon® Cell Culture Flasks

    Vacuum-gas plasma tissue culture treatment provides consistent cell attachment, spreading, and growth    Choose standard tissue culture, Corning® Primaria™, or not tissue culture-treated polystyrene growth surfaces to meet your individual cell culture requirements   ...

  • SYNTHWARE Round Bottom Flasks with Spherical Socket Joints

    SYNTHWARE round bottom boiling flasks with spherical socket joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness. These flasks can be used as replacements for the collection flask on rotary evaporators.

  • Head, Duran Flange

    Flat ground flange for use with all Reaction Flasks that have a 100mm (4") Duran ground mating flange. Supplied with three in line ground joints and one or two 90 degree joints. For thermometer or probe adapter, see our 5028 series. For clamp, see 6517.

  • PYREXPLUS® Filter Flask

    Protective PVC coating for longer product life and safety Graduated to show approximate capacity Heavy wall Autoclavable (121 °C) and resistant to thermal shock Tubulation O.D. is 10 mm on sizes up through 1,000 mL and 12.5 mm on 2,000 and 4,000 mL sizes (tubing is non-coated).

  • Class A Volumetric Flasks with Glass Stopper, Batch Certified, QR-Coded

    Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E-288. Batch Certified. Our volumetric flasks feature QR code integration to facilitate quick and...

  • Erlenmeyer Flask Mugs

    United Scientific Supplies

    This 500ml borosilicate glass flask features an attached handle and a smooth rim. The molecular structure of caffeine is enamled in white on one side, and the other side has standard flask graduations.

  • Trypsinizing Flask, Baffled, Beaded Neck

    Trypsinizing flask with beaded neck and long side baffles. Ideal for converting homogenous tissue samples into cell suspensions by digestion of connective tissue. Heavy beaded neck accepts either cotton plugs or stoppers. The extra-deep baffles enhance vigorous agitation.

  • Filter Flask with Stopper Joint

    This borosilicate glass heavy wall filtering flask can be used with FILTERWARE® Filtration Apparatus (LG-1755). Supplied with a silicone stopper with 9/16" hole and a #2 hose connection, the 4000mL flask has 1/2" connections.

  • VITLAB, PFA Round Bottom Flasks

    These corrosion- and leach-resistant flasks are excellent for rotary evaporation and distillation of high-purity chemicals. They are manufactured from PFA (a perfluoroalkoxy polymer) for excellent resistance to heat and chemical contamination, as well as smooth surfaces that greatly simplify...

  • Premium Volumetric Flasks

    Three piece Erlenmeyer Flask set made of high quality, heavy duty, borosilicate 3.3 glass. Includes three, narrow neck flasks with 500ml, 1000ml & 2000ml capacities. Flasks feature white, printed graduations, and beaded rims. Uniform, thick walls provide excellent strength against breakage. Set is...

  • Flasks, Filtering, Heavy Wall

    HEAVY WALL Erlenmeyer shaped filtering flask with standard taper outer joint. For stoppers see CG-3000.

  • Erlenmeyer and Fernbach Flasks

    Designed for mammalian suspension culture applications as well as bacterial & yeast culture Available with either solid or vent cap to eliminate the chance of unintended venting, unlike combination caps Vent caps feature 0.22µm hydrophobic membrane which allows for gas exchange without...

  • Single Standard Taper Neck Heavy Wall Round Bottom Flasks

    Single neck flask with a Standard Taper outer joint Heavy wall Ref: ASTM Method D95 Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • 25x25 Flasks Tray, 4 1L pre-mounted clamps

     Erlenmeyer flask shaker tray for 25x25cm and 51x51cm. It has pre-mounted stainless steel clamps for Bellco Erlenmeyer flasks. Flask tray fits on top of standard tray platform.    Flask positions: 4 Dimensions: 25x25" Size: 1l

  • Flask, Erlenmeyer

    Erlenmeyer flask, wide mouth with beaded lip to resist chipping. 10 and 25mL capacity, used to carry out reactions or to hold items such as 9581 Craig Tube in microscale work.

  • Class A Burets

    Kemtech America

    Buret. Class A.

  • Trypsinizing Flask, Baffled, Sidearm, Screw Caps

    Trypsinizing flask for converting of homogenous tissue samples into cell suspensions by digestion of connective tissue. Side port has dam below the side arm to prevent undigested tissue from being poured out while decanting cells. Flask has GPI thread top and side arm cap. The three extra deep,...

  • Celltreat® Tissue Culture Flask

    The Celltreat 75 sq-cm tissue culture flask contains a stable hydrophilic surface that ensures uniform cell attachment. Zip closure bag keeps the contents of the bag safe and secure by preventing any leakages. The large canted neck gives smooth access to the entire flask surface. Thick durable walls...

  • Flasks, Volumetric, Red Stained, Class A, Wide Mouths, Heavy Duty, Heavy Wall, Large Numbers, Flat Bottoms, Glass Stoppers

    Low actinic red stained glass provides protection to light sensitive solutions. Allowing less than 1% transmission below 400nm and 5% from 400-600nm. Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a standard stir bar. Large...

  • KIMAX Square, Class A Volumetric Flasks

    DWK Life Sciences (Kimble)

    Calibrated to contain Designed from Federal Specification NNN-F-289, Type I, Class A and ASTM Standard E 288 Square body, which permits closer packing on shelves 25 to 35% less area than conventional flasks of similar capacities With marking spot and solid stopper

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