“CX4000Z3 Hayward SwimClear C4025 Cartridge Filter Air Relief Tube” has been added to your cart. Continue shopping Product Price Quantity Total × CX4000Z3 Hayward SwimClear C4025 Cartridge Filter Air Relief Tube $14.61 CX4000Z3 Hayward SwimClear C4025 Cartridge Filter Air Relief Tube quantity $14.61 Cart totals Subtotal $14.61 Shipping Shipping costs will be calculated once you have provided your address. Total $14.61 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update