“O-239- Sta-Rite Posi-Flo II Cartridge Filter Base O-Ring Filter WC9-3” has been added to your cart. Continue shopping Product Price Quantity Total × O-239- Sta-Rite Posi-Flo II Cartridge Filter Base O-Ring Filter WC9-3 $7.77 O-239- Sta-Rite Posi-Flo II Cartridge Filter Base O-Ring Filter WC9-3 quantity $7.77 Cart totals Subtotal $7.77 Shipping Shipping costs will be calculated once you have provided your address. Total $7.77 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update