Drinkwell Current Pet Fountain 4x Replacement Carbon Filters SKU RF13593 An internal error has occurred $5.99 Quantity discounts available QuantityPrice In Stock Quantity -+ Make sure you're logged in for the lowest price! Add to Cart Check Out Safely Details 4 pack Replacement filter for items: RF14907 Current Pet Fountain 40oz and RF14908 Current Pet Fountain 80 oz. Details Back Details4 pack Replacement filter for items: RF14907 Current Pet Fountain 40oz and RF14908 Current Pet Fountain 80 oz.