Filtrete 18x30x1 Air Filter, 800 10, Micro Particle Reduction, 4 Filters

: The 3-month pleated Filtrete 18x30x1 800 Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment : Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through : With an 800 and 10 rating, your Filtrete Filter will help capture many particles from the air passing through it : Works for changing the air filters in your furnace, air conditioner/heating system or system : For optimal performance, make sure to change your filter at least once every 90 days : Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter use only