Compatible with select G? side-by-side and bottom-freezer refrigerators Premium filtration - Certified to reduce chlorine-resistant cysts, lead, select pharmaceuticals and 50 other impurities PFOA/PFOS reduction - Reduces 99 percent of Perfluorooctanoic acid (PFOA) and Perfluorooctaine Sulfonate (PFOS) Offers clean, fresh tasting water Replace your filter every six months Included components: Coconut carbon