Improve the air quality in your home with the EconoHome 20x25x4 MERV 11 Air Filter. Designed to capture common airborne particles such as dust, lint, pet dander, pollen, and smoke, this pleated HVAC filter helps maintain cleaner indoor air while supporting efficient airflow through your heating and cooling system. The durable frame construction provides reliable performance and an easy fit for compatible HVAC units. Featuring an airflow direction indicator for proper installation, this replacement filter is ideal for residential use and helps keep your HVAC system operating efficiently. Actual filter size measures 19-15/16" x 24-7/8" x 4-3/8".