Sierra Clear White PVC Tubing Polyester Reinforced 1/2″SierraClear 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 12.7mmWt. “C”: 10O.D.:11/16″ or 17.5mmBurst 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