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 |
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 |
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 DURAN™ Screw Cap GL 45 with 2-hose connector
A resusable connector GL 45 cap with two ports for connecting tubing.
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.
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 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™ Screw Cap Open Top for Tube Connection, Blue, GL 14, Glass Re-enforced, PP (Screw Connection Cap GL 45 Accessory)
Accessory for 2 or 3 port GL 45 connection cap system

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 28-415 Finish
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Ensure leakproof performance with these colored, polypropylene closures with 28-415 finish. Closures are one-piece and linerless with integrally molded seal ring.
Height (Metric) | 15 mm |
---|---|
Shape | Round |
Description | Nalgene Colored Closures |
Closure Size | 28-415 mm |
Height (Metric) With Closure | 15 mm |
No. per Case | 500 |
Material | Polypropylene |
Closure Material | Polypropylene |
Closure Included | Yes |
For Use With (Equipment) | Nalgene narrow-mouth 500mL bottles |
Product Type | Screw Cap |
Diameter (Metric) | 30 mm (Outer) |
Mouth | Narrow |
Closure Liner | Unlined |
Packaging | Bulk |
No. per Pack | 500 |
Height (English) | 0.59 in. |
Corning™ GL45 Polypropylene Screw Caps
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Linerless plug seal design for efficient sealing
Thread Size (Metric) | GL 45 |
---|---|
For Use With (Equipment) | Storage bottle |
Material | Polypropylene |
Closure Material | Polypropylene |
Sterility | Non-sterile |
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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Gravis Black Phenolic Resin Screw Caps
Providing secure closure for a variety of bottle neck sizes. Gravis Black Phenloic Resin Screw Caps are durable and resilient.
Product Type | Cap |
---|---|
Color | Black |
Quantity | 100 Pack |
Material | Phenolic Resin |
No. per Pack | 100Pack |