labForce Brand pre-assembled closures and septa come ready to use. Designed to work in robotic arm autosamplers. Select the closure and liner combination for your sampling requirements.

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…

Screw threads Choice of six liners

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.…

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…

These 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…

Teflon liners inert to most chemicals and can be autoclaved Thickness: 0.015 inch For insertion in caps of corresponding size; diameter of liners permits sealing in caps by friction fit. Liners can be inserted directly over other flat liners mounted in caps.

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…

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

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

Replacement polypropylene open top closures have a bonded-in 0.045” thick septa except for 1709B03, which is a 24-414 open top closure without septa. Choose an I-CHEM® 0.125” thick, 22 mm, PTFE silicone replacement septum to complete the closure system. Thin septa are also available.

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.

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…

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…

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…

Multiple Uses Ideal for general purpose laboratory work. The 30 ml tubes are also being incorporated as one of the leakproof primary containers in shipping infectious specimens. 30 ml tube with spork is widely used in parasitology specimen transport Leakproof screwcaps …

Made of Polypropylene T504AQX 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…

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.

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

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)

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…

Fits most 16mm glass tubes Fits most 16mm glass evacuated blood collection 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 16mm blood drawing tubes and glass test…

Tefon®-faced (14B) rubber liners Autoclavable caps are designed to ensure the ultimate in product safety. The liners are made of a nontoxic white styrene-butadiene rubber and are faced with Teflon® which offers excellent chemical resistance. They are available in convenient lab pack quantities…

Fits most brands of 12mm tubes Polyethylene (PE) Available in sorted colors

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

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

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…

ChemoPlus™ IVA seals for bottles and vials are sterile seals that protect point of entry of IV admixtures from contamination and accidental double dosing. Packaging is USP 797 compliant. Liner, dispenser and core are non-linting and can easily be wiped down. They have a dual warning system in…

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

Resistant to moisture vapor Chemical barrier Autoclavable Caps have excellent properties of resilience. The 14B white rubber lining material consists of homogeneous sulfur cured styrene-butadiene rubber. FDA Status complies with 21CFR 177.26, "Rubber articles intended for repeated use."

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…