Please see the following description1 Specification:1) Diameter: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" 2-1/2" 3" 4" 2) Standard: BS, ANSI, CNS 3) With socket and threaded end 4) Material: High quality PVC, ABS, PP-R 5) Colors: Many colors available for choice 6) Acid & Alkaline Resistance; Withstand high water pressure, high temperature; Anti-corruption; environmentally friendly. PVC double union ...