Zurn Performa QHR3PC300FX Pipe Tubing, 1/2 in, PEX, Red, 300 ft L

3/8 to 1 in Dia coils of Performa oxygen barrier PEX tubing are 30% more flexible than other silane method barrier tubing products, which eases and speeds installation. The external oxygen barrier prevents oxygen permeation that contributes to system corrosion, extending the life of the entire system.