At Kohler, we design our products to give you the right mix of functionality and style to bring comfort to your daily routines. Feel confident with every sip that you are getting nothing but the best for you and your family. Keep your KOHLER® Aquifer water filtration system flowing with this two-pack of replacement filter cartridges. The Aquifer®+ water filtration system uses two filters to effectively reduce harmful chemicals and contaminants including bacteria, virus, lead, mercury, chlorine and pharmaceuticals in your cold water. Kohler® Replacement Filter Cartridge, High Impact, Series: K-29651 Aquifer®+, 3-1/8 in Diameter, 10-1/16 in Height, Plastic