“59001700 Pentair FNS Plus Filter Small Grid 18 inch PG-1903” has been added to your cart. Continue shopping Product Price Quantity Total × B8405C Swimming Pool Spa Cartridge Cleaner Water Pressure Hose Attachment $14.63 B8405C Swimming Pool Spa Cartridge Cleaner Water Pressure Hose Attachment quantity $14.63 × 59001700 Pentair FNS Plus Filter Small Grid 18 inch PG-1903 $38.40 59001700 Pentair FNS Plus Filter Small Grid 18 inch PG-1903 quantity $38.40 Cart totals Subtotal $53.03 Shipping Shipping costs will be calculated once you have provided your address. Total $53.03 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update