Test Tube Caps

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

High temperature resistivity range – shatter/crack resistant and ideal for boiling Easy ¾ turn to open and close Translucent and Opaque Cap O-rings ensure leak-proof seal Translucent and Opaque Caps contain O-ring of easily visible contrasting color Caps are available in various colors...

Thermo Scientific* Nalgene colored closures are one-piece and linerless with integrally molded seal ring to ensure leakproof performance. The opaque closures protect contents from UV light when used with opaque bottles.

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

Universal Columns have a multitude of applications in life sciences as well as in clinical applications. The universal column has a reservoir section, a straight resin section, and a luer lock-compatible tip.  The reservoir has a wide-mouth opening for easy pouring.  The reservoir is...

Caps are designed to fit GL 45 threaded ware. Autoclavable Solid top polypropylene Cap colors available in blue, white, orange, gray, green, or pink High-temperature version with red cap available

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

The LVL Technologies empty rack is made of high-quality polypropylene material. Offering a robust solution for maintaining organization in your laboratory, this Empty Rack is designed to accommodate a variety of supplies. Engineered with precision, it provides an efficient system for managing your...

For internal thread tubes Mobile, battery-operated 4/6/8 channel decapper for table use Capping/Decapping 4/6/8 tubes at once Integrated dropping mechanism   F or external thread tubes Semi-Automated 4/6/8-Channel Capper/Decapper Semi-automated hand-held capper/decapper with ergonomic design...

Foxx Life Sciences EZBio® Single Use Cap Assembly for 2000mL Bottles with Tubing and Vent Filters are perfect for fluid transfer and storage. Assemblies are made entirely with USP Class VI components and Gamma Irradiated in the United States. Assemblies take advantage of Foxx's patented...

Translucent and Opaque Cap O-rings ensure leak-proof seal, and are a highly visible contrasting color All caps are compatible with all CELLTREAT Screw Top Micro Tubes; mix and match

High Temp Pouring Ring, Autoclavable to 180 degrees C Ensure a steady and precise pour with the 45mm High Temp Pouring Ring, designed for rigorous laboratory use. This ring, constructed from Red ETFE, is notable for its superior resistance to high temperatures and potential chemical interactions,...

Used to distinguish different types of samples in the lab, order with 50mL DigiTUBEs. Enhance your laboratory's safety and efficiency with Analytichem's DigiTUBE Screw Caps. These caps offer a reliable closure solution for a variety of laboratory bottles, providing a strong seal to ensure secure...

13-425/24-400 CONNECTION, BLK PHEN

Cap is made of polypropylene (PP), Seal made of thermoplastic elastomer (TPE) Cap receptacle for capper/decapper Storage at up to -196°C (LN2) Up to 13 different colors selectable Available as bulkware or on cap racks

The Sarstedt blue screw cap, with a durable construction, is an ideal accessory to have in any chemical laboratories, research facilities, manufacturing industries and pharmaceutical factories.

Transport tubes and vials are designed for the safe storage and transport of biological materials. The transparent polypropylene (PP) vials allow unobstructed viewing of the sample. The vials are shatter-proof and may be exposed to freezing temperatures. They feature leak-resistant screw caps that...

Ideal for high purity chemicals, strong acids, solvents Excellent for environmental samples, pharmaceuticals and diagnostic reagents Teflon-faced foamed polyethylene liner offers the excellent chemical resistance of Teflon with the compressibility and sealing properties of polyethylene foam.

Bonded Teflon®-Faced Silicone Liners White autoclavable open-top caps have a bonded Teflon-Faced Silicone Liner making them ideal for storage and retrieval of volatile solvents, sensitive compounds and corrosive chemicals. The liners consist of 0.055” of Silicone and 0.005” of...

Developed by the renowned DWK Life Sciences (Wheaton), this durable 13-425 cap is constructed from phenolic black material, offering optimal resistance to a wide range of chemicals. It is designed without a liner, making it perfect for a variety of applications in laboratories, research facilities,...

20-400 CAP, PP WHT, PTFE/FMD PE

The Sarstedt screw cap, with a durable construction, is an ideal accessory to have in any chemical laboratories, research facilities, manufacturing industries and pharmaceutical factories.

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: 8mm Color: Blue Case Quantity:...

20-400 I-LOC CAP, PP RED