About this item This fits your . Make sure this fits by entering your model number. Why buy genuine: genuine germguardian replacement parts are essential for maintaining product performance, as your purifier is only as powerful and effective as the filter you put inside Hassle free fit: genuine germ guardian replACement parts fit like a glove and are designed for a particular unit style Breathe fresh and cleaner air: a true HEPA filter, ACtivated charcoal layer, and pre filter work to help improve indoor air quality True HEPA filter: reduces up to 99. 97% of dust, pollen, pet dander, mold spores, and allergens as small as . 3 microns from the air