Continue shopping “25010-0004 Pentair Posi-Flo Pool Filter Air Relief Valve” has been added to your cart. Product Price Quantity Total × 41201-0242W Pentair Chassis with Pad GW7500 PoolShark $108.11 41201-0242W Pentair Chassis with Pad GW7500 PoolShark quantity $108.11 × 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 $116.34 Shipping Shipping costs will be calculated once you have provided your address. Total $116.34 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update