Continue shopping “071439 Pentair Purex SMBW 4000 Filter Lid O-Ring O-333” has been added to your cart. Product Price Quantity Total × 071439 Pentair Purex SMBW 4000 Filter Lid O-Ring O-333 $16.46 071439 Pentair Purex SMBW 4000 Filter Lid O-Ring O-333 quantity $16.46 Cart totals Subtotal $16.46 Shipping Shipping costs will be calculated once you have provided your address. Total $16.46 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update