Pentair EC-180007 FNS Plus 36 Sq. Ft. DE Filter - All grid elements included

FNS^® Plus Fiberglass D.E. 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.

• Superior strength
• Service-Ease^™ grid pack
• Continuous High Flow^™ internal air relief*
• 100% factory tested
• Top-to-bottom backwash
• High Flow manual air relief valve
• Tension Control^™ clamp
• Black valves and plumbing
• 1-1/2in. bottom clean out port
• 7-1/2in. centerline bulkhead fittings

NOTE: *Integrated continuous High Flow internal air relief is operational only when there is unobstructed flow in the circulating system.