Filter 4. Turn, single. Fits bottom mount and side-by side in the interior for Whirlpool, Maytag, Amana, Jenn-Air and KitchenAid refrigerators. Reduces chlorine taste and odor. Filters asbestos, benzene, carbofuran, cysts, lead, mercury, p-dichlorobenzene, particulates (Class 1), toxaphene, and turbidity.