Shields Clear Polyester Reinforced PVC Tubing with tracer has a clear heavy wall FDA formula vinyl. It has a polyester braid reinforcement and 250 PSI burst pressure. This hose is primarily used for pressurized water system supply (hot or cold), drain lines (sink, shower, icebox), wash down pump connections and head intake. ID 1/2" OD 11/16" Length 50' Color Blue