Thermo Scientific Nalgene Closures with Barbed Bulkhead Fittings support the integration of tubing sets to Nalgene culture vessels.

Fittings may also be used with any Nalgene container with a 38-430 sized closure. The 38-430 closures are pre-drilled to accept either a 1/4 or 1/2 inch (6-13mm) ID fitting.