Caps

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Greenwood

  • Available with and without tether. Easy 3/4 turn to open and close. Synthetic O-Ring. Available in a variety of colors.

  • Foam Plug

    Chemglass

    FOAM PLUGS FOR TEST TUBES AND LABORATORY FLASKS, INDENTI-PLUGS, Economical Open-cell, 1.45 lb. uniform-density foam Breathable and non-absorbent Use over a wide temperature range Autoclavable Chemical resistant Proven safe for algae culturing Identi-Plugs® are…

  • Diamond Culture Tube Caps

    Globe Scientific

    These popular caps fit plain end culture tubes and flasks with DeLong style necks or ports. The caps are molded from durable, autoclavable polypropylene (PP). They are available in a full range of five sizes and five colors for easy sample identification and organization. Recommended tube diameter…

  • Polyethylene Stopper Caps

    Evergreen Scientific

    Polyethylene stopper caps to fit a variety of general purpose test tubes

  • Mason Jar Caps

    Bel-Art - SP Scienceware

    70mm O.D. "G" screw caps fit standard Mason Jars. Includes grip lugs and removable leakproof seal ring.

  • Universal Snap Caps

    Globe Scientific

    Fits most 12mm, 13mm and 16mm plastic test tubes. Polyethylene Assorted colors available.

  • PolyCone Lined Phenolic Caps form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding and backing off. Great for everything from…

  • An inexpensive bottle cap for either GL-45 or GPI-38 threads that permits standard solvent or media bottles to be used as an HPLC reservoir. Caps have two holes to accomodate 1/8" tubing and one hole that accepts a standard luer inner joint. Caps are made from polypropylene and the inserts are…

  • 16mm Snap Caps

    Globe Scientific

    These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available…

  • The new and improved CG-1167 HPLC Cap system provides the safest and most economical way of storing high performance, low pressure liquid chromatography mobile phase, sparging preventing bubbles from entering the system as well as collecting sample waste.The bottle is blue tinted plastic coated…

  • Prevent leakage under demanding conditions. Thermo Scientific™ Screw Cap Microcentrifuge Tube Caps feature o-rings to form a secure seal. Optimized for secure short term storage in low temperatures, these autoclavable screw caps are available in a variety of colors, and adapt to your…

  • Screw Caps for Microtubes

    Globe Scientific

  • 12/13mm Snap Cap for Tubes

    Globe Scientific

    Fits most 13mm glass tubes Fits most 13mm glass evacuated blood collection tubes Fits most 12mm plastic culture tubes Thumb tab for easy removal Polyethylene (LDPE) 1000 caps per sealed bag Assorted colors available These colorful snap on closures are an effective way to recap 13mm…

  • VersaCaps and Adapters

    Foxx Life Sciences

    Foxx Life Sciences’ VersaCaps and adapters allow users to easily customize carboys and Heavy Duty Vacuum Bottles for a variety of applications. VersaCap adapters are available with a variety of hose barb sizes and configurations, including molded in hose barbs and quick-connect hose barbs.…

  • Made of Polypropylene T347AQX screw cap incorporates a pierceable septum made of chemically resistant PTFE on the outside and silicone on the inside, both components being stable over a broad range of temperatures. The septum also acts as a silicone o-ring for better sample protection. It is…

  • GL 45 Connection System

    DWK Life Sciences (Duran)

    Flexible modular system. Four different hose diameters (1.6 mm; 3.0 mm; 3.2 mm and 6.0 mm) can be connected. Sterile pressure equalization is possible through use of membrane filter. Unused ports can be provided with a blind cap.

  • Color Coded - natural, red, green, yellow and blue

  • Thomas No. 1148R80 & 1148R81 (for internal thread tubes) Mobile, battery-operated 8 channel decapper for table use Capping/Decapping 8 tubes at once Integrated dropping mechanism   Thomas No. 1148R82 (for external thread tubes) Semi-Automated…

  • Produced from polypropylene (PP), cap inserts are available in assorted colors and are ideal for color coding and sample identification. The inserts nest easily into place on both internal and external caps.

  • Screw cap for 5.0 ml MacrewTube™ Microcentrifuge tubes. Polypropylene. RNase, DNase, Pyrogen and DNA free. Autoclavable. Temp range +121 °C to -196 °C.

  • Preassembled closures and septa come ready to use. Designed to work in Agilent or other robotic arm autosamplers.

  • Caps fit Corning media bottles, Erlenmeyer flasks and spinner flasks with standard GL threads. Standard Plug Seal Caps are autoclavable and use a linerless plug seal design for efficient sealing. Pouring Rings fit on the lips of bottles for drip-free pouring. Autoclavable Vented Caps…

  • Easy-on, easy-off convenience with a twist of the cap that produces an evaporation-proof seal. Available in a variety of colors for easy sample identification.

  • For use with 18mm screw necks, 13-18mm Culture Tubes, 18-25mm Culture Tubes, 38mm Culture Tubes, 25-50ml Erlenmeyer Flasks, 125-300ml Erlenmeyer Flasks, 500-1000ml Erlenmeyer Flasks, 25-125ml DeLong Flasks and 250-6000ml DeLong Flasks. Sealed-in Silicone Sponge filters are the ideal for aerobic…

  • Universal Fit Plug Caps

    Globe Scientific

    Universal plug stopper fits most 10mm, 12mm, 13mm & 16mm tubes. Produced from polyethylene (PE), the caps are available in 7 different colors.

  • Excellent for Culture Tube and Flask Closures. 305 Stainless Steel, Non-Corroding. Lanced fingers grip firmly after repeated autoclaving.

  • Black Phenolic Cap With PE Poly-Seal Liner

    DWK Life Sciences (Wheaton)

    Stress crack resistant Superior torque retention Excellent sealing characteristics Manufactured from LDPE. The unique cone design provides a wedge type seal that not only seals across the top but also across the inside diameter.

  • 12/13mm Snap Caps

    Globe Scientific

    These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available…

  • PTFE Cap Liners

    J.G. Finneran

    Solid virgin PTFE liners can be manually inserted into closure and maintains a snug friction fit. PTFE liners are also available in other sizes and thicknesses.

  • Thomas No. 1148R91 Manual Push Cap Desealer Manual 1/8 channel desealer for push caps

  • Convenient, economical closures for use with the Kim-Rak or other disposable culture tubes. Sterility of contents is maintained without the need for cotton plugging. Kim-Kaps can be removed and replaced without contamination of the contents. Yellow cap color.

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