Has a rubber gasket and a threaded back nut to fit a 1" diameter hole. The spigot tip fits 3/8" i.d. plastic tubing
Other Items from Plastic Fermenters & Accessories 6 Gallon Plastic Fermenter with Airlock - 6 Gallon Plastic Bucket (no lid) - Lid For 6 Gallon Plastic Bucket - Plastic Spigot Assembly -