Sierra Clear White PVC Tubing Polyester Reinforced 3/4"Sierra Clear White Blue Tracer PVC Tubing has a white FDA formula vinyl tube, a clear vinyl cover, polyester braid reinforcement and 325 PSI burst pressure. I.D.:; 3/4" or 19.1mm; Wt. "C": 17; O.D.: ; 15/16" or 23.8mm; Burst Pressure 70: 325#; Application: Primarily used for pressurized water system supply (hot or cold); Hose is also used for drain lines (sink, shower, icebox), wash down pump connections & head intake;