MAKE YOUR HOME YOUR SANCTUARY: 1-pack of 3-month pleated Filtrete 12x24x1 MPR 800 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through COUNTLESS PARTICLES: With an 800 MPR and MERV 10 rating, your Filtrete Filter will help capture many particles from the air passing through it VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter FOR RESIDENTIAL use only