Pentair FNS Plus DE Filter

The Pentair FNS Plus D.E. Filter is designed for maximum filtration efficiency and durability. Using diatomaceous earth, it removes contaminants as small as 5 microns, ensuring pristine water quality. Its fiberglass-reinforced polypropylene tank offers long-lasting performance, while the innovative grid design provides extended cleaning cycles. The High Flow™ manual air relief valve improves filtration efficiency, and the top manifold design allows easy maintenance. Available in 24, 36, 48, and 60 square foot models, the FNS Plus is ideal for pools of all sizes. Upgrade your pool’s filtration system with a reliable, high-performance D.E. filter that delivers superior results with less effort.