I.D.: 1/2'' or 12.7 mm, o.D.: 23/32'' or 18.3 mm, wt. "C": 11 Has polyester Braid reinforcement and 250 psi burst pressure Primarily used for pressurized water System Supply (hot or cold) drain lines (sink shower icebox) This hose is also used for wash down pump connections and head intake Clear heavy wall FDA formula vinyl