7 way dial valve with inspection sight glass, automatic air relief and pressure gaugeNon-Corrocive resin clamp for simple installation and service of dial valve and filter components.Upper distribution system integrated in the dial valve engineered to direct water evenly across the entire surface of the sand without sand migration or channeling.Blow molded tank with deep high capacity sand bed carries more debris and extnds filter cycles. The tank is corrosion-resistant and UV-resistant.Inlet/Outlet connections standard 1 1/2? (38 mm) FNPT + external threads for Carvin unions.
