Miller Plastic Anti Siphon Trough-O-Matic

Anti-Siphon Float Valve automatically controls water level for most plastic and metal stock tanks, troughs, barrels, and pans. Flows up to 245gal per hour, operates between 20 and 50 psi. High-grade polystyrene housing with expansion brackets to fit tanks with wider or thicker rims. Accepts a standard 3/4in garden hose.