DE Filter Tanks FNS Plus filters are fiberglass reinforced polypropylene of advanced chemical resistant materials for superior strength and reliability. The top manifold design features the Service-Ease grid pack for convenient one-at-a-time grid servicing. FNS filters feature a continuous high flow internal air relief, top-to-bottom backwash, high flow manual air relief valve, a tension control clamp, and a 1-1/2 in. bottom clean out port. Valves sold separately.
For Technical support on this item please contact Pentair at 1-800-831-7133 www.pentairpool.com