Corning® 33 mm Polyethylene Filling Cap with a Male MPC Polycarbonate with a 3/8 (9.5 mm) ID Coupling and a Female MPC Polycarbonate End Cap
Corning Life Sciences33mm polyethylene threaded cap Female MPC End Cap with a 3/8"" (9.5mm) ID Male MPC Coupling Sterilized by gamma irradiation