BRASS BODY: Brass body structure has higher performance (high heat and pressure resistance), durability, quality and longevity than plastic. This spare part will not expire for many years. HIGHLY RELIABLE CARTRIDGE: The advanced waterproof ceramic cartridge can be used up to 200 thousand times with switching cycles. WATER ACCELERATOR: The switch can be used as a water saving valve or a 1/2 inch shut off valve. GENERAL CONNECTIONS: G 1/2 internal and external thread, standard straight thread connections. Washer, Teflon tape and installation instructions are included. EASY TO USE: You can control the switch easily and quickly with wet hands. Number of pieces delivered: 1 Size: please consult the size chart