Make your home your sanctuary: the 3-month pleated filtrete 18x20x1 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
