Continue shopping “Pentair FNS Plus Filter Grid Set 18 inch FS-2003” has been added to your cart. Product Price Quantity Total × Pentair FNS Plus Filter Grid Set 18 inch FS-2003 $118.94 Pentair FNS Plus Filter Grid Set 18 inch FS-2003 quantity $118.94 Cart totals Subtotal $118.94 Shipping Shipping costs will be calculated once you have provided your address. Total $118.94 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update