Product Description High flow float valve for maintaining the water levels in troughs, tanks, and other holding vessels Configured for underwater mounting only Operates from 5 – 150 psi with a full flow design that resists hammering in turbulent applications Non-corrosive, compact, and robust valve Patented 1/4 turn removable base for easy servicing and cleaning, and access to the internal filter 3/4″ Black/yellow in color