Continue shopping “Pentair Posi-Flo Pool Filter Air Relief Valve 25010-0004” has been added to your cart. Product Price Quantity Total × Pentair Posi-Flo Pool Filter Air Relief Valve 25010-0004 $8.51 Pentair Posi-Flo Pool Filter Air Relief Valve 25010-0004 quantity $8.51 Cart totals Subtotal $8.51 Shipping Shipping costs will be calculated once you have provided your address. Total $8.51 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update