Size: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4" Key words: 1" plastic ball valve, 1" ball valve Environment ... for installation either exposed or hidden.Wonderful ability in chemical corrosion resistanceEasy and fast installation, making cost minimized;Size: 1/2", 3/4", 1", 1-1/4", 1-1 ... /2", 2", 2-1/2", 3", 4"Standard: BS, ANSI, DIN ...