Polypropylene Stoppers

Our range of polypropylene caps provides the flexibility of interchangeable top-connectors. They are compatible with a variety of adapter inserts, enabling users to quickly change the top connections of each carboy or bottle to match their application needs. They offer large handles with finger grips that allow for easy tightening and opening. All components are autoclavable.

Download the product sheet Stoppers

Typical applications


  • Storage
  • Transfer
  • Sampling

Features and benefits


  • Polypropylene
  • Available in different industry standard sizes
  • Leak-proof cap
  • Replaceable platinum-cured silicone gasket
  • Great flexibility in use
  • Excellent grip
  • Autoclavable
  • Meets USP Class VI, FDA- grade requirements – BPA Free
  • Made in the USA

FAQ

Let us take care of your custom single-use assemblies.

Working closely with your team, we design and manufacture custom Single-Use assemblies – completely brand-independent – recognized for their reliability. Looking to optimise your process? Get in touch!

Photograph of a production team assembling products in a production room