Includes two 3-month 1” Filtrete 16x20x1 Flat Panel AC Furnace Air Filter helps capture unwanted particles. Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through. 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.

Includes two 3-month 1” Filtrete 16x20x1 Flat Panel AC Furnace Air Filter helps capture unwanted particles. Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through. 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.