Filtrete 20x20x1 MPR 1500 Smart Allergen, Bacteria & 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% 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 home's HVAC system, you can track the life of your Filtrete Filter based on air flow and usage - not just time. The easy setup involves