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Continue to ChatBurkert 730437 - Type BBS-03 O-Rings for Aseptic Threaded Connection https://www.process-valves.com/product/burkert-730437-type-bbs-03-o-rings-for-aseptic-threaded-connection/
Burkert 730437 - Type BBS-03 O-Rings for Aseptic Threaded Connection https://www.process-valves.com/product/burkert-730437-type-bbs-03-o-rings-for-aseptic-threaded-connection/