3M Filtrete Ultrafine Particl

CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (3) and helps capture ultrafine particles, dust, lint and other allergens in your household air, COUNTLESS MICROPARTICLES: With a 2800 MPR and MERV 14 rating, as well as an 81% small particle capture rate (1) and 93% airborne virus particle capture rate (2), your Filtrete Filter will help capture, DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter̥s exact dimensions are 19.81 x 19.81 x 0.81, EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through, MAKE YOUR HOME YOUR SANCTUARY: 2-pack of 3-month pleated 1ÌÒ Filtrete 20x20x1 MPR 2800 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher, SUBSCRIBE AND SAVE: On your first order, simply click on Subscribe and Save" to set up your delivery schedule and save up to 10% on your orders, VERSATILE USES: Works for changing any air filter in your furnace, air conditioner/heating system or HVAC system; for optimal performance, change your filter at least once every 90 days