Closures
Whether protecting the sample from outside contamination or the workplace from the bottled toxic waste, closures guarantee tight and reliable seals. With a vast cap selection for best compatibility with any container, tailoring to specific contents is possible. Temperature resistant models allow any procedure to be completed safely. Available in different finishes, any sensitive chromatography sample is protected. The caps are easy to close with one hand and come in many colors to assist with identification.
Stretchable silicone lids for laboratory vessels, DURAN®
Supplier: DWK Life Sciences
These stretchable silicone lids are used to close round and square vessels and are available in three sizes and colours, as well as a set of three.
Expand 21 Items
Laboratory screw joints with GL thread, BOLA
Supplier: Bohlender
Red screw cap made of glass-fibre reinforced ETFE, inner parts consisting of a v-ring (ETFE), a tapered ring and a sealing ring (both PTFE) as well as an o-ring (FKM) for tubing diameters under 3 mm, (not exposed to the medium). The medium is only exposed to PTFE.
Expand 56 Items
Multiple distributors for bottles with GL 45 thread, BOLA
Supplier: Bohlender
PPS screw cap, black, distributor body made from PTFE or PFA.
Expand 2 Items
Distributors for bottles
Supplier: Bohlender
Black screw cap made of PPS and available with or without stopcocks. Distributor body made of PTFE with 2 or 3 ports with female thread UNF 1/4" 28 G on upper and lower sides and stopcock made of FEP for each port.
Expand 8 Items
Nalgene® Biotainer® Closures for Bottles, InVitro™
Supplier: Thermo Fisher Scientific
Designed to aseptically handle solutions in biopharmaceutical, biotechnology and laboratory liquid transfer applications, these two- and three-ported closures are designed for Thermo Scientific™ Nalgene™ Biotainer™ bottles and carboys. With Animal Derived Component-Free (ADCF) components, including seals that are sonically-welded to the cap, and leak-proof closures, security of high value contents are guaranteed during fluid transfer.
Expand 2 Items
GLS 80® wide mouth connection transfer cap system, DURAN®
Supplier: DWK Life Sciences
PP and PTFE.
Expand 1 Items
Supply V2.0 HPLC Starter Kits
Supplier: S.C.A.T.
Starter kits consisting of SCAT SafetyCaps, blind plugs, fittings and air valves for the supply of HPLC systems.
Expand 5 Items
Caps for test/culture tubes without rim
Supplier: LUDI
Made of anodised aluminium.
Expand 6 Items
Distributors for reaction vessels (S), BOLA
Supplier: Bohlender
PP screw cap, blue and PTFE body.
Expand 3 Items
Closures, HDPE, 11 mm
Supplier: Thermo Fisher Scientific
Identify samples quickly with high profile closures with colour coders for micro packaging vials. HDPE closures are ready to use and have no O-ring to fall out or contaminate contents.
Expand 30 Items
Septum caps, Nalgene®
Supplier: Thermo Fisher Scientific
Polypropylene closure with thermoplastic elastomer septum.
Expand 1 Items
Replacement fittings for quick filling/venting closure, Nalgene®
Supplier: Thermo Fisher Scientific
PP plug connectors with hose barb.
Expand 4 Items
Screw Caps, DIN 45, Black
Supplier: BERLIN PACKAGING RIXIUS GMBH
Screw cap, sealing of closure LDPE, For: Bottles, PP, Thread: GL 45, Colour: Black, PP
Expand 1 Items
Multiport connector caps, GL 32, DURAN®
Supplier: DWK Life Sciences
The reusable GL 32 caps allow the smaller 50 ml round or 100 ml DURAN® square bottles to be used be used for sampling, liquid feeding or transfer. Flexible options of 2, 3, or 4 stainless steel tubing connectors.The barbed male tubing connector are suitable for tubing with a 3,2 mm inner diameter such as BPT peristaltic pump tubing.
Expand 3 Items
Caps with Aperture, GL 45
Supplier: ROBU GLASFILTER
ROBU® caps with aperture, complete set with silicone washer.



