Test Tube Caps

Patented 120mm Adapter Insert VersaCap® is leak-proof, has replaceable platinum-cured silicone gaskets, and provides the ultimate in top-connection flexibility. Open VersaCap® is compatible with a variety of adapter inserts, enabling users to quickly change the top connections of each carboy or...

ZapCap® CR Bottle Top FiltersZapCap®For filtration of medium volumes, cell culture media and HPLC solutions.Features and benefits: •Complete 500 ml units with tubing nozzle; for attaching to bottles (bottle-top) •Connection seals on any standard bottles 33 to 45 mm •Membrane...

EZwaste® Safety Vent VersaCap® 83mm, Ports, Tubing and a Chemical Exhaust Filter. Foxx Life Sciences™ EZwaste® Solvent Waste System is designed to be an affordable solution for liquid waste disposal. Each system is manufactured to safely collect waste from one or more HPLC systems while the carbon...

Replacement septa for use with MW-102 open-top screw caps on Minum-Ware® glassware components. Septa are made of silicone rubber with one side having a RED PTFE face, while the opposite side has an ultrathin covering of polypropylene to prevent needle coring when penetrating septa.

Synonyms: caps bottles; glass bottles caps Legal Information: DURAN is a registered trademark of DWK Life Sciences

White polypropylene closure, PTFE lined. For  Boston Round Glass Bottles,  See  1204X96 -  1204Y17

safePort™ Low Profile O-ring Caps fit safePort™ 0.5, 1.5, and 2.0ml screw cap vials. Screw caps deliver leak-proof seal for all types of contents, ideal for life science reagent or solution. Caps and vials sold and packaged separately allow for customization on coloring and sizes desired...

Dropper Assemblies feature a glass tube with black polypropylene closure and rubber squeeze bulb. Tip opening has a 3.0mm outside diameter.

Overfitting caps for use with sterile culture tubes have two positions: loose for aerobic culturing and tight for anaerobic cultureing and leakproof sealing.  Designed to fit specified tube material and size, listed in description.  Available in non-sterile or sterile.

Made of polypropylene Caps are available either with or without a silicone washer between the cap and the tube to ensure a positive leakproof seal at all temperatures. As for tubes, these closures are also made of polypropylene, providing the same coefficient of expansion for both, which further...

The Finneran 24 mm septa is mainly used with screw thread closures for tight sealing of the stored sample. It is mainly used in research laboratories or in chemical industries. This septa is made of sturdy PTFE/silicone material which ensures long lasting usage and durability.

Made of polyethylene An economical way to recap blood drawing tubes, disposable glass test tubes and plastic culture tubes. Flexible VACUCAP™ closures protect from aerosols of highly infectious microorganisms. They guard samples against cross-contamination and laboratory work areas against...

Bonded and ready assembled open top black screw closures 10-425 and plain caps with no liner Closures available with a broad variety of septa materials Red Rubber / FEP septum for routine analyses; for more demanding analyses: high purity silicone / PTFE septa Slit silicone/PTFE septa as a...

15-425 CAP, PHEN BLK, POLY-SEAL PE CONE

Stem & Draw Tube Closure Applicable with Nalge # 2401-0125 & 2401-0250

Designed for standard screw thread vials. Available with or without septa. Easy on and easy off convenience with a twist of the cap that produces an evaporation proof seal. Larger opening provides a increased target area for needle penetration. Specifications: Size: 9mm Case Quantity: 1000 Color:...

Screw cap made of radiation grade polypropylene Variety of colors Packaged in case of 100 or 1000

AlteCap™ Solo Single Screw Cap Handling Quickly cap, decap or recap single tubes Flexible – easy to use, intuitive touch button controls. Light and portable Functionality – recap tubes or dicard used caps. Apply fresh caps from a cap carrier Stand included – convenient for...

Snap Caps are designed for KIMAX volumetric flasks Yellow polyethylene Caps may not be usable with items lacking necks specially tooled to proper diameters and contours Fits 1000mL volumetric flasks

Excellent for general laboratory use Specially formulated phenolic resin and liner adhesive to withstand the effects of repeated autoclaving PTFE-faced/general purpose white rubber liners are highly resistant to chemical effects Identified in ASTM Specification E982, Class A requirements

Available in multiple colors and package sizes.

Closure size: 70mm; vacuum limit: 5in (127mm) Hg; pressure limit: 2 psig (0.137 bar) Fluid transfer closure is composed of polypropylene and is made for fluid transfer in the lab or field Autoclavable closure fits Nalgene® Mason jars or 125mL and 250mL straight-sided jars with 70mm closures Top...

24-410 STARLINE CAP, PP RED