1 or 2" float valve - all stainless steel - automatic water bowl cattle bowl tank Material: stainless steel Screw connection: brass Float: stainless steel Color: silver 1 or 2" float valve - all stainless steel - automatic water bowl cattle bowl tank Material: stainless steel Screw connection: brass Float: stainless steel Color : silver Model: G2 or 1 "(L:75.5, d:8, H:21.5, D:48) G3 or 4 "DN20 (L:76, d :8, H:21.5.D: 48) Function: 1 stainless steel float, corrosion resistant turbidity 2 copper thickening 3 straight plug float valve 4 strong anti-oxidation and rust 5 not the release of harmful substances environmental health Working principle: The float is always floating in the water, the water rose, the float is also increased, the float in the closed position, the piston rod driven Pad , close the inlet, water drops, the float also followed the decline, the connecting rod and the plunger pad, open the water inlet. Package included: 1 x High Pressure Brass Ball Faucet Ball Faucet Stainless Steel Water Tank Float