1) diameter: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4" 2) standard: BS, ANSI, DIN, JIS 3) with socket and threaded end 4) material: U-PVC 5) colors: Many colors available for choice 6) acid & alkaline resistance; Withstand high water pressure, high temperature; Anti-corruption; Environment-friendly