3/4" float valve - made entirely of stainless steel - automatic water bowl - cattle bowl - reservoir Material: stainless steel Screw connection: brass < p>Float: stainless steel Color: silver 3/4" float valve - made entirely of stainless steel - automatic water bowl, cattle bowl reservoir Description: Material: stainless steel Screw connection: brass Float: stainless steel Color: silver Model: G2/1 "(L:75.5, d:8, H:21.5, D:48) G3/4 "DN20 (L:76, d:8, H:21.5 .D: 48) Function: 1 Stainless steel float, corrosion-resistant turbidity 2 Copper thickening 3 Straight plug-in float valve 4 Strong antioxidants and rust protection 5 No release of harmful substances to the environment and health Working principle: The float always floats in the water, the water rises, the float is also raised, the float is brought to the closed position, the piston rod is driven pad, close the inlet, the water drips, the float also follows the decline, the connecting rod and the piston pad, open the water inlet.