Continue shopping “25010-0004 Pentair Posi-Flo Pool Filter Air Relief Valve” has been added to your cart. Product Price Quantity Total × WhisperFlo SuperFlo Challenger Pump Variable Speed Motor 1.65 THP $567.27 WhisperFlo SuperFlo Challenger Pump Variable Speed Motor 1.65 THP quantity $567.27 × 25010-0004 Pentair Posi-Flo Pool Filter Air Relief Valve $8.68 25010-0004 Pentair Posi-Flo Pool Filter Air Relief Valve quantity $8.68 Cart totals Subtotal $575.95 Shipping Shipping costs will be calculated once you have provided your address. Total $575.95 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update