825.81 USD
West Pharmaceutical Services
Review: 5 - "example"
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20mm Lyophilization NovaPure® Ready-to-Use Chlorobutyl 4432/50 Stoppers

Qty. 500 stoppers/bag

NovaPure® lyophilization stoppers are made from 4432/50 a premium quality chlorobutyl elastomer and 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. This stopper configuration can be used with European and American Blowback designed vials. West item number: 19700311

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20mm Lyophilization NovaPure® Ready-to-Use Chlorobutyl 4432/50 Stoppers

The NovaPure® brand is West’s premium line of components. Choose these stoppers if you need a premium quality sterile lyophilization stopper in a chlorobutyl formulation. 
NovaPure® RU stoppers are included in the West Ready Pack™ containment solution portfolio, a complete vial packaging solution which includes superior quality stopper, seals, and vials. Components are available in ready-to-use small quantities, which are ideal for early-stage development or small-volume filling and are supplied by West, allowing you the convenience of easy ordering and quick delivery of your vial components.

500 pieces per bag. 1 bag per carton

Packaging 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.