Bottle Caps

Bottle Caps
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DWK Life Sciences DURAN™ Original Laboratory GL Bottle Screw Cap, Linerless Lip Seal, PP
Screw cap with reliable plug seal.

Description | Screw cap |
---|---|
Quantity | 10/Pk. |
Material | Polypropylene |
Autoclavable | Autoclavable |
For Use With (Application) | Autoclaving media and reagents; Short term sample and media storage; color coding and identification |
DWK Life Sciences DURAN™ High Temperature Screw Cap, PTFE-Coated, Peroxide cured silicone, Red PBT
Screw cap with cap liner sealing and high temperature and chemical resistance.

Description | Screw cap |
---|---|
Color | Red |
Closure Liner | PTFE/Silicone |
Quantity | 10/Pk. |
Screw Material | Polybutylene Terephthalate (PBT) with glass fiber |
Material | PBT,ETFE,Fiberglass |
Liner Material | PTFE-coated Silicone |
For Use With (Application) | Autoclaving of media and reagents; Preparation of media and reagents; Suitable for dry heat sterilization; Pressure applications; Storage of corrosive reagents; Chemical and thermal reactions; Long term / archival storage of samples, media and reagents; Sampling; Transport and shipping |
Closure Material | PBT with Glass Fiber |
DWK Life Sciences DURAN™ Screw Cap GL 45 with 2-hose connector
A resusable connector GL 45 cap with two ports for connecting tubing.

Fisherbrand™ Red PTFE-Coated Screw Caps. GL45
Fisherbrand™ Red PTFE-Coated Screw Caps are chemicaly inert and suitable for capping a variety of similarly threaded laboratory containers.

DWK Life Sciences DURAN™ Open Topped Screw Cap, Central Aperture, Red PBT
PBT screw cap with an open top and high temperature and chemical resistance.
Product Type | Open Top Screw Cap |
---|---|
Color | Red |
Quantity | 10/Pk. |
Screw Material | Polybutylene Terephthalate (PBT) with glass fiber |
Material | PBT |
Autoclavable | Autoclavable |
For Use With (Application) | Aseptic reagent delivery and culture sampling using a syringe and needle |
Closure Material | PBT with Glass Fiber |
Pyrex Pyrex™ Polypropylene Screw Caps for Media-lab Bottle
Pyrex™ Polypropylene Screw Caps are ideal for media preparation work.

Material | Polypropylene |
---|---|
Closure Type | Screw Cap |
Autoclavable | Autoclavable |
DWK Life Sciences DURAN™ Screw Connection Cap, GL 45, with 2 or 3 GL 14 ports, PP
Flexible 2 or 3 port GL 45 screw cap for connection cap system
Thread Size (Metric) | GL 45 |
---|---|
Quantity | 2/Pk. |
Material | Polypropylene,PTFE,Silicone |
Autoclavable | Autoclavable |
For Use With (Application) | Sterile fluid transfer in and out of lab bottles; Gas transfer in and out of lab bottles; Fluid transfer between lab bottles; Supply of reagents to instruments; Bioreactor supply |
DWK Life Sciences DURAN™ Stainless Steel Multiport GL 45 Connector Cap, Red PBT, GL 45, 1 Tubing Connector
1, 2 or 3 connection system for GL 45 DURAN™ bottles.
DWK Life Sciences Membrane Venting GL Screw Cap, Blue PP, Welded-in Expanded PTFE Membrane, Membrane for Pressure Equilisation During Autoclaving
Laboratory bottle screw caps for autoclaving and sterile storage of media.
Quantity | 5/Pk. |
---|---|
Material | Polypropylene,ePTFE |
Autoclavable | Autoclavable |
For Use With (Application) | Pressure equalisation during steam sterilisation/autoclaving of media or buffers; Sterile gas exchange for aerobic microbial, shaker and suspension cell cultures; Autoclaving of media and buffers; Short-term storage of sterilised media; Storage of gas generating materials |
DWK Life Sciences DURAN™ Multi-Connector Cap, GL 45, Tubing Connectors, for peristaltic tubing, 2, 3, 4, or 5 tubing connectors, Red PBT screw cap
2, 3, 4, or 5 peristaltic tubing connector caps for GL 45 DURAN™ bottles.
For Use With (Application) | Media supply for small bioreactors; Fed-batch bioreactor; Perfusion circuit for cell culture; Oxygenation/aeration of very small samples; Use in a chemistry micro-reactor |
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Pyrex™ Thermoplastic Polyester Screw Caps with PTFE-Faced Liner
Creates an effective seal while PTFE-faced liner protects against chemical attack. Pyrex™ Polyester Screw Caps with PTFE-Faced Liner are ideal for high temperature applications.
Description | Screw cap |
---|---|
For Use With (Equipment) | 1516, 1517, 1518, 1519 and 1520 series bottles |
Color | Red |
Quantity | 10/PK. |
Material | Thermoplastic Polyester |
Closure Type | Screw Cap |
Autoclavable | Not Autoclavable |
Liner Material | PTFE-faced |
Sterility | Dry Heat Sterilized |
Fisherbrand™ Black Phenolic Caps
Black phenolic screw cap with poly-seal liner is manufactured from low density polyethylene. For use with various Fisherbrand molded glass bottles
Closure Liner | Polyethylene Cone |
---|---|
Closure Color | Black |
Closure Material | Phenolic |
DWK Life Sciences DURAN™ HPLC Screw Cap, 4 Tubing Connectors, Blue, GL 45, PP
Screw cap for pressure and vacuum resistant bottle for HPLC applications.
DWK Life Sciences DURAN™ GLS 80™ screw cap with four ports
Flexible GLS 80™ cap connection system for use with pass through semi-rigid tubing.
Fisherbrand White Polypropylene Cap with Insert
Top off alpha glass bottles with the Polypropylene Cap withInsert. The white unicap is tamper evident.
Product Type | Cap |
---|---|
Color | White |
Screw Material | Polypropylene |
Closure Color | White |
Closure Material | Polypropylene |