“25010-0004 Pentair Posi-Flo Pool Filter Air Relief Valve” has been added to your cart. Continue shopping Product Price Quantity Total × 25010-0004 Pentair Posi-Flo Pool Filter Air Relief Valve $8.23 25010-0004 Pentair Posi-Flo Pool Filter Air Relief Valve quantity $8.23 Cart totals Subtotal $8.23 Shipping Shipping costs will be calculated once you have provided your address. Total $8.23 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update