Sierra Clear White PVC Tubing Polyester Reinforced 1/2"Sierra Clear White Blue Tracer PVC Tubing has a white FDA formula vinyl tube, a clear vinyl cover, polyester braid reinforcement and 250 PSI burst pressure. I.D.:; 1/2" or 12.7mm; Wt. "C": 10; O.D.: ; 11/16" or 17.5mm; Burst Pressure 70: 250#; 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;