Secure-fitting Thermo Scientific™ Nalgene™ replacement screw closures and gaskets for Nalgene carboys provide leakproof† service.

Ensure leakproof† service of Thermo Scientific™ Nalgene™ centrifuge bottles at their recommended maximum rated speeds by using Nalgene sealing caps for oak ridge centrifuge tubes. They are also recommended for use when spinning hazardous materials.