pvc manual pressure regulator ball valve 1) Diameter: 1/2"~ 4" 2) ... " 3" 4" 6"2) Standard: BS, ANSI, CNS,G3)pvc manual pressure regulator ball valve4) Material: High quality PVC, ABS, PP ... major brand manufacturers of the world, and suppled the OEM service to the customers such as STIHL, Husqvarn, Zenoah , Kiorits, ect ...