The Kitchenaid Ice & Water Refrigerator Filter 4 Replacement Cartridge KAD4RXD1 is a white ABS plastic water filter designed for Kitchenaid refrigerators. It is built-in and electrically powered, with a glossy finish. This NSF rated filter has a capacity of 5.3 ft³ and is suitable for fridge use. Made in the USA, it comes with a manufacturer warranty and includes one unit in the set. Damaged box as pictured.