These heavy duty brass fill valves are available in a variety of sizes with flow rates over 100 GPM! Ideal for use in skimmers, vaults and the water fill box for maintaining water levels in many different applications. Brass body and brass rods are far superior to normal plastic fill valves. All valve rods (arms) can be adjusted to fit your exact requirements. SCWFS37 comes with a plastic float. An optional copper float is available. (See SCWFSC)