Sierra All Clear PVC Tubing Polyester 1"Sierra All Clear PVC Tubing Polyester 1-1/2" has polyester braid reinforcement and 250 PSI burst pressure and a clear heavy wall FDA formula vinyl. I.D.:; 1" or 25mm; Wt. "C": 24; O.D.: ; 1 5/16" or 49.2mm; Burst Pressure 70: 250#; Application: 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;