Filling/venting-screw closure/HDPE closure ldia. 83mm, 6mm OD

Filling/Venting Closures, white polypropylene, TPE gasket, TPE port caps, inside and outside 2 x NALGENE 50 platinum-cured silicone tubing each (ID 6.3 mm), closure 83 B All-plastic closures for aseptic liquid transfer of media, biological reagents and chemicals to and from NALGENE carboys. Can be used with any large NALGENE carboys or bottles that accept 83-mm (83B) closures. Include two pieces NALGENE 50 platinum-cured silicone tubing, Cat. No. 8060, for drop tube and splash guard. Can be used with NALGENE Carboys with a properly set up peristaltic pump. Autoclavable