Continue shopping “523539 Flow Valve Pentair ChemCheck Water Testing System” has been added to your cart. Product Price Quantity Total × Swimming Pool Waterproof Playing Cards 4362 $11.01 Swimming Pool Waterproof Playing Cards 4362 quantity $11.01 × Pentair Sta-Rite U-3 Skimmer Float Assembly With O-Ring 08650-0079 $26.90 Pentair Sta-Rite U-3 Skimmer Float Assembly With O-Ring 08650-0079 quantity $26.90 × 523539 Flow Valve Pentair ChemCheck Water Testing System $39.01 523539 Flow Valve Pentair ChemCheck Water Testing System quantity $39.01 Cart totals Subtotal $76.92 Shipping Shipping costs will be calculated once you have provided your address. Total $76.92 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update