Brass valve controls water float, food grade PE float ball, has good impact resistance, corrosion resistance and rust resistance, controls water level, suitable for livestock drinking water equipment · Brass valve controls water float, food grade PE float ball, has good impact resistance, does not corrode or rust; The valve core is made of silicone material, which is non-toxic, odorless, and safe to use. · Automatic water inlet control water level, float ball control water inlet. · Prevent overflow, reduce waste, and ensure stable water flow in livestock water dispensers.