Hayward | GMX400F | Valve- Tank O-Ring, S140T Pro Series Filters

Hayward Industries, Inc. is the largest manufacturer of residential swimming pool equipment in the world. Headquartered in Elizabeth, New Jersey, Hayward designs and markets the Totally Hayward® System, a complete line of state-of-the-art, energy efficient residential pool equipment including pumps, filters, heaters, heat pumps, cleaners, electronic control systems, electronic chlorinators, lighting, safety equipment.