“197020 Pentair Purex SMBW 4000 Filter Clamp Ring” has been added to your cart. Continue shopping Product Price Quantity Total × 197020 Pentair Purex SMBW 4000 Filter Clamp Ring $227.73 197020 Pentair Purex SMBW 4000 Filter Clamp Ring quantity $227.73 Cart totals Subtotal $227.73 Shipping Shipping costs will be calculated once you have provided your address. Total $227.73 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update