Nalgene™ Polypropylene, Replacement Coupling Inserts, straight-through coupling, 3/8 inch

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

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.

Stop drips and keep your Nalgene carboys in service for years with these Thermo Scientific™ Nalgene™ Polypropylene Quick-Action Replacement Spigots. Includes an HDPE tubing adapter which accepts tubing with 1/4 or 5/16″ I.D for added versatility.

Maintain the integrity of a container and its contents with Thermo Scientific™ Nalgene™ Quick Filling/Venting Closures. A convenient fluid transfer system, this ported 83B closure features a quick-disconnect fitting with tubulation for attachment to tubing of your choice. Fittings have tubulation both in and outside of the closure, and socket fittings in the cap have internal valves that seal when a tubulation fitting is removed to maintain container seal integrity.