Quick-Action Spigots, ETFE, PP Chemically-resistant spigot (1-1/8” - 12 straight female threads) for NALGENE carboys, accepts 5/8-inch (16-mm) I.D. tubing. Identical to Cat. No. 6422, but body and plug are Tefzel ETFE. Does not include tubing adapter. Use for applications with selected solvents and other chemicals where PP spigots are unsatisfactory. Replacement spigot for DS2327 Fluorinated rectangular carboy. Autoclavable . NOTE: Dissassemble before autoclaving.