Resideo 203369 Air Cleaner Pre-Filter 12.5" X 20"

The Resideo 203369 Air Cleaner Pre-Filter is an essential part that increases the efficiency as well as longevity of your HVAC system in your home. It’s a washable pre-filter intended to catch larger airborne particles such as dust, dirt, pollen, and pet dander before they get to the 'real' filter. The first line of defense, it prevents harmful particles from flying into your primary filter, adding more longevity to the primary filter and great overall air quality. With its dimensions of 12.5" x 20", it will fit snugly in the HVAC system for better filtering coverage. The 11/32" thick filter combines efficient airflow with the ability to capture pollutants.