1/2\" float valve - All stainless steel - Automatic cattle water bowl - Tank material: Stainless steel Threaded connection: Brass Float: Stainless steel Color: Silver 1/2\" float valve - All stainless steel - Automatic cattle water bowl - Tank Description: Material: Stainless steel Threaded 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) Feature: 1. Stainless steel float, corrosion resistant and turbidity resistant 2. Copper thickening 3. Straight float valve 4. Strong anti-oxidation and rust resistance 5. No harmful substances released, environmentally friendly Working principle: The float remains submerged in the water. When the water level rises, the float rises. The float is in the closed position. The piston rod drives the pad. Close the inlet. Water drips. The float also follows the downward movement. The connecting rod and piston plate open the water inlet. Package includes: 1 x High pressure brass tap with stainless steel ball for water tank