GE's exclusive Advanced Filtration system for GE bottom freezer refrigerators has been tested and verified to remove 98 percent of 5 trace pharmaceuticals. The filter removes Ibuprofen, Atenolol, Fluoxetine, Progesterone and Trimethoprim. Not all pharmaceuticals may be present in your tap water. Used in select GE french-door refrigerators 2014 & newer. Easy filter replacement no tools or water-turnoff required to replace cartridge inside refrigerator GE's most advanced filtration tested and verified to filter five trace pharmaceuticals Premium filtration Certified to reduce chlorine-resistant cysts, lead, select pharmaceuticals and 15 other contaminants For use with french door side-by-side bottom freezer