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  • Caps


    Cap This cap is an ingenious combination of our TriForest septum Cap and vented DuoCAPs™. It provides an additional layer of protection to the standard septum caps. Port Cap Kit (3-Port and 4-Port) Given the multiple port needs of our customers, we have designed the port cap in…

  • CAPS

    RPI (Research Products International)

    pKa (25°C): 10.4. The working pH range in aqueous solution is 9.7-11.1

  • …removed Cap colors match those on Vacutainer™ to prevent sample confusion Flexible plastic cap snaps tightly into place and creates a positive, liquid-tight seal. Fits over outside of tube, will not aerosol when opened. Holds fast when refrigerated or frozen. Resealable caps snap…

  • …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 scientific experiments.  Screw Cap Microcentrifuge Tube Caps Design…

  • Plug Caps

    Globe Scientific

    These polyethylene (PE) plug caps are designed in 11mm, 12mm, 16mm and 17mm sizes and are available in a selection of colors for sample identification.

  • Screw Caps

    MP Biomedicals

    Caps for 2 mL screw cap tubes. For use on FastPrep instruments or any bead beater.

  • CT™ Caps

    Globe Scientific

    Globe Scientific CT™ flange plug caps have extremely high tolerances and are specifically designed for use with CapTrack™. These caps provide superior leak resistance in all tubes processed by CapTrack™ which allows for the utmost confidence in sample integrity during handling…

  • Acid Caps


    Acid Caps are polypropylene caps that are acid resistant. This F422 liner is comprised of a .38" LDPE core sandwiched between identical layers of .002" - .003" virgin HDPE.

  • Bouffant caps are made of lightweight, 100% virgin hydro-entangled (spunbonded) polypropylene non-woven fabric. A latex-free elastic band hels secure the cap to the user's head. Available in 21" & 24" White. Packed 100/Bag, 10 Bags/CS

  • Surgeon's Caps

    Cardinal Health

    Easy-tie surgeon’s cap is designed for particulate control. Our cap is easy to don and features adjustable ties. Lightweight, nonwoven material is comfortable and absorbent.

  • Polyethylene Stopper Caps

    Evergreen Scientific

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

  • Bouffant Caps

    Protective Industrial Products

    Polypropylene disposable clothing provides affordable, lightweight protection against non-hazardous dry particulates like dirt. Good for use in pharmaceuticals, medical, law enforcement and laboratory. FEATURES Available in a variety of size to fit all head sizes Elastic band…

  • Screw Caps


  • Bouffant Caps

    Protective Industrial Products

  • Flask Caps

    Celltreat Scientific

    Solid or vent replacement caps for tissue culture and suspension culture flasks, packaged sterile (gamma irradiated) Vent caps feature 0.22um hydrophobic membrane for gas exchange Manufactured from medical grade virgin polyethylene (HDPE)

  • Vented Caps


    Blue polypropylene vented cap has a 0.22µm PTFE hydrophobic membrane to allow gas exchange while preventing contamination. They are autoclavable at 121°C. Must be used with our 70mm silicone gasket

  • For use with immunoassay reagent products.

  • 8-Strip Caps

    Thermo Scientific Pierce

    Suitable for use with 96-well PCR plates as well as standard and low profile strip tubes Flat caps have labeled end tabs for strip orientation and removal QPCR strip caps are made from specially formulated clear polypropylene and have ultra-clear, highly polished surface. Ideal for…

  • Amplifyt® PCR Strip Caps

    labForce® (a Thomas Scientific Brand)

    Available in 8 and 12 strip caps Available in both flat and dome caps Flat caps are optically clear for real-time PCR Tested to insure fit on both strip tubes and PCR plates Certified free of detectable RNase DNase, DNA, PCR inhibitors, and tested pyrogen-free

  • MST™ Caps

    Evergreen Scientific

    All of our polyethelyene screw caps feature a molded-in sealing ring for a rim-seal that provides a leakproof closure without the use of a silicone gasket. Evergreen pioneered rim-seal caps in 1975. We have found that a properly designed rim-sealing cap is extremely effective in sealing small vials…

  • Minum-Ware® Caps


    Used with Viton O-Rings and threaded outer joints for making grease-free, vacuum tight seals on 14/10 MINUM-WARE® glassware components. The 8-425 size is used on the sidearm of Hickman still head and MW-81 GC collection vial, while the 13-425 is used on the MW-56 two neck flask sidearm.

  • In addition to our standard black and white caps, we now offer our VOA Vial caps in a variety of Spring colors. This is an ideal way of color coding your samples.

  • Disposable full coverage bouffant cap. Available in medium and lightweight and cool/breathable polypropylene  fabric. Trimmed with a latex free elastic band for a comfortable snug fit. Available in Blue (medium and light weights) and Green (lightweight). Size: 21 Inch

  • Transfer Caps

    NEST Scientific USA

    Multi-function Transfer Cap Unlike the bi-directional liquid transfer cap, the multi-function transfer cap can be directly placed in an incubator for culture after the liquid transfer is completed. It can reach a large air flux. The sampling part is composed of a sampling nozzle and a one-way…

  • BlueMAG™ Caps


    MicroLiter® BlueMAG™ caps uniquely designed for automated GC, GC-MS and LC-MS chromatography magnetic sample transport systems. A perfect fit for headspace sampling techniques to 130°C. Offering an innovative built-in steel overlay on the outside of the polypropylene screw closure. The…

  • Dual Position Snap Caps

    Globe Scientific

    …dual position caps are produced from low density polyethylene (LDPE) and is ribbed for easy handling. The cap is specially designed to provide aerobic or anaerobic storage of culture samples. When snapped into the tube, the cap provides a leak-resistant seal. Note: Leave the cap in the loose…

  • Snap Caps

    DWK Life Sciences (Wheaton)

    Eliminate the need for crimping and decapping tools Fits the Wheaton E-Z Vials with Snap Ring Top Manufactured from polyethylene Choose from 5 colored caps and a variety of septa

  • Kim-Kap Test Tube Caps

    DWK Life Sciences (Kimble)

    Polypropylene closure Autoclavable Natural For use with the KIM-RAK or other disposable culture tubes.

  • High Grip Plug Caps

    Globe Scientific

    These polyethylene (PE) plug caps are designed in 11mm, 12mm, 16mm and 17mm sizes and are available in a selection of colors for sample identification.

  • Overfit Caps


    …tubes, and plastic culture tubes, Overfit Caps are ideal for protocols that require centrifugation, agitation, and refrigeration. Offered in a variety of bright colors, Labcon's Overfit Caps are the ideal alternative to costly parafilm or plug caps that are prone to evaporation. Designed with…

  • Caps for Sample Cups

    Globe Scientific

    These caps are designed specifically for use on our popular line of multi-purpose sample cups and are produced from polyethylene (PE). The caps are available with a solid or cross-cut pierceable top and they snap securely in place on each of the sample cups.

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