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13mm NovaPure Ready-to-Use Bromobutyl 4023/50 Lyophilization Stoppers

Qty. 1,000 stoppers/bag

NovaPure™ lyophilization stoppers made from 4023/50 a premium quality bromobutyl elastomer with West’s lowest particulate specification available. Laminated with FluroTec™ barrier film to help reduce particulate, limit drug interaction with the elastomer and reduce leachables. These components are provided ready to use, sterilized and 100% vision inspected via our Envision™ inspection process. This stopper configuration can be used with European blowback, North American blowblack, or straight wall (no blowback) vials. West item number: 19700364

Max limit = 5
13mm NovaPure Ready-to-Use Bromobutyl 4023/50 Lyophilization Stoppers

In a quantity of 1,000 pieces per bag, ideal for small-volume filling for lyophilized or dry powder products, choose these stoppers if you need a premium quality sterile lyophilization stopper with the lowest level particulate, and the tightest specification available from West. Ready Pack™ components are suitable for small quantity filling of high-value drugs and meet regulatory requirements from research and development through commercial scales.

1,000 pieces per bag. 1 bag per carton


Package Assembly Illustration 

West’s comprehensive Integrated Solutions Program offers expert testing to support drug product containment systems throughout the development process.  Our technical expertise for pharmaceutical packaging includes vials, stoppers and seals, with an in-depth understanding of regulations and market requirements, including USP <1207>.  A dedicated Project Management team will help to identify key stakeholders to provide consultation and the creation of a customized study design. 


Product is registered trademark of West Pharmaceutical Inc.