Continue shopping “C-6900 Cartridge Filter Pentair Quad D.E. 100 178656 – 4 Pack” has been added to your cart. Product Price Quantity Total × C-6900 Cartridge Filter Pentair Quad D.E. 100 178656 - 4 Pack $384.29 C-6900 Cartridge Filter Pentair Quad D.E. 100 178656 - 4 Pack quantity $384.29 Cart totals Subtotal $384.29 Shipping Shipping costs will be calculated once you have provided your address. Total $384.29 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update