CHARACTERISTICS : 7 WAY DIAL VALVEWith inspection sight glass, automatic air relief and pressure gauge NON-CORROSIVE RESIN CLAMPFor simple installation and service of dial valve and filter components. UPPER DISTRTIBUTION SYSTEM INTEGRATED IN THE DIAL VALVEEngineered to direct water evenly across the entire surface of the sand without sand migration or channeling. BLOW MOLDED TANK…