20mm Lyophilization FluroTec™ Barrier Film-Laminated Ready-to-Sterilize Bromobutyl 4023/50 Stoppers with Envision™ Verification Process

FluroTec™ barrier film-laminated lyophilization stoppers are made from 4023/50 a bromobutyl elastomer and laminated with FluroTec™ barrier film to reduce the risk of a chemical interaction. These components are provided washed (ready-to-sterilize) and 100% vision inspected. This stopper configuration can be used with European blowback, North American blowback, or straight wall (no blowback) vials. West item number: 19700589.