Continue shopping “USA Made Upgraded 180007 FNSP36 36 sq. ft. FNS Plus Filter Complete Element Grid 59023500” has been added to your cart. Product Price Quantity Total × USA Made Upgraded 180007 FNSP36 36 sq. ft. FNS Plus Filter Complete Element Grid 59023500 $299.99 USA Made Upgraded 180007 FNSP36 36 sq. ft. FNS Plus Filter Complete Element Grid 59023500 quantity $299.99 Cart totals Subtotal $299.99 Total $299.99 Proceed to checkout — OR — Coupon: