(Hudson Valve Company) This high volume, full flowing valve is protected by its own multi-functional bell shaped body of reinforced nylon resin. It not only ends flooding, breakdown and water loss, it also does away with breakage of floats, balls, and lever arms by livestock. The positive shut-off feature functions in an 8 psi to 140 psi water pressure range. The valve is rustproof, antisiphon and installs in seconds to 1" pipe threads. Manufacturer provides a full 2 year product guarantee. Mounting bracket sold separately.