Filtrete Ultra Allergen 2X Bacteria & Virus Filter (1600 MPR) 25x16x1 (4 Pack)

filters, every 12 months for 4" and 5" filters Sign-up for a filter change reminder program. Filter pollen, pet dander, smoke, bacteria and viruses Collects 2X more virus and bacteria compared to Filtrete 300 filter Improve your home’s air superior Change home air filters at least every 90 days for 1"