Continue shopping “DEX3600DS Unicel Hayward Pro-Grid Filter 18 inch Small Grid PG-1903” has been added to your cart. Product Price Quantity Total × DEX3600DS Unicel Hayward Pro-Grid Filter 18 inch Small Grid PG-1903 $40.99 DEX3600DS Unicel Hayward Pro-Grid Filter 18 inch Small Grid PG-1903 quantity $40.99 Cart totals Subtotal $40.99 Shipping Shipping costs will be calculated once you have provided your address. Total $40.99 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update