Nalgene™ Polypropylene, Replacement Coupling Inserts, straight-through coupling, 1/4 inch

Use Thermo Scientific™ Nalgene™ Closures with Barbed Bulkhead Fittings to customize most Nalgene bottle and carboy closures for aseptic transfer of liquids.

Promote faster installation using Thermo Scientific™ Nalgene™ Polypropylene Replacement Coupling Inserts for Quick/Filling Venting Closures, which support one-handed connection and disconnection when applied to mating coupling bodies. Male, barbed quick-disconnect replacement coupling inserts for use with Nalgene Quick Filling/Venting Closures.

Protect against leakage, breakage and contamination by using Thermo Scientific™ Nalgene™ Silicone Sanitary Gaskets for Nalgene™ Carboys. Constructed of platinum-cured silicone, the gaskets ensure the highest degree of purity for biopharmaceutical applications.

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. With 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.