“071439 Pentair Purex SMBW 4000 Filter Lid O-Ring O-333” has been added to your cart. Continue shopping Product Price Quantity Total × 071439 Pentair Purex SMBW 4000 Filter Lid O-Ring O-333 $14.17 071439 Pentair Purex SMBW 4000 Filter Lid O-Ring O-333 quantity $14.17 Cart totals Subtotal $14.17 Shipping Shipping costs will be calculated once you have provided your address. Total $14.17 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update