Continue shopping “Pentair SMBW 4000 2000 Filter Noryl Rotor O-Ring Kit V20-353” has been added to your cart. Product Price Quantity Total × D.E. Swimming Pool Filter Powder 10lbs DE10 $36.59 D.E. Swimming Pool Filter Powder 10lbs DE10 quantity $36.59 × Pentair SMBW 4000 2000 Filter Noryl Rotor O-Ring Kit V20-353 $7.31 Pentair SMBW 4000 2000 Filter Noryl Rotor O-Ring Kit V20-353 quantity $7.31 Cart totals Subtotal $43.90 Shipping Shipping costs will be calculated once you have provided your address. Total $43.90 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update