GE guaranteed fit Designed and engineered specifically for use in select GE top-freezer and bottom-freezer refrigerators Lead removal Lead is invisible, tasteless and odorless when present in water Premium filtration Certified to reduce particulates, chlorine-resistant cysts, lead and 5 other contaminants Twist and lock design Simple design provides easy, tool-free, no-mess filter replacement Six-month filter life For best filtration results, filter cartridge should be replaced every six months* or 750 gallons *Replace sooner if flow rate noticeably declines