PVC WATER PIPE SIZE: 20MM TO 250MM COLOR: WHITE, LIGHT GREY, DARK GREY,BLUE AND SO ON STANDURD: GB/T 10002.1-96 USAGE:FO PVC WATER PIPESIZE: 20MM TO 250MMCOLOR: WHITE, LIGHT GREY, DARK GREY,BLUE AND SO ONSTANDURD: GB/T 10002.1-96USAGE:FOR HOT WATER SUPPLY(PVC PIPE, PLASTIC PIPE, WATER PIPENOMINAL(MM)Thickness(mm) 1/21.52 3/42.031 2.591--1/43.181--1/23.762 4.9