Filtrete 20x20x1 MPR 1500 Smart Allergen, Bacteria and Virus HVAC Air and Furnace Filter, made by 3M, helps attract and capture unwanted microscopic and large particles to contribute to a cleaner, fresher home environment, while Bluetooth technology helps track filter life. CERTIFIED asthma and allergy friendly (1), with a MERV 12 rating and high MPR rating of 1500, your AC filter will capture many microparticles such as pet dander, smoke, bacteria and viruses letting cleaner air flow through. This air filter captures up to 64 percent of airborne virus particles (2) to help make your air cleaner. Your filter will also capture large particles, including lint, pollen and household dust. With a Bluetooth enabled sensor to track filter life based on data from your homes HVAC system, you can track the life of your Filtrete Filter based on air flow and usage not just time. The easy setup involves simply downloading the Filtrete Smart App, pairing the smart air filter and getting notifications to your smartphone. When its time to replace your furnace filter, you will be notified, so you never have to worry about changing your air filter too early or too late. Also, you can use the Filtrete Smart App to remind you of your specific filter types and sizes, shop for replacements, and see the outdoor air quality information for your neighborhood and other chosen locations. The Filtrete Smart App is available on iOS and Android. The No. 1 Recommended HVAC Air Filter Brand (3), Filtrete Home Air Filters provide the breakthrough technology needed to change how we clean our air, by filtering out particles both large and invisible, to create a cleaner, healthier home for ourselves and our families. Residential use only. (1) As outlined in report ASCR - 1246 01. (2) Based on airborne M2 virus testing. Initial efficiency. (3) Based on the 2022 Ipsos US Brand Health Study of Residential HVAC Air Filters.