Keep your indoor air cleaner and your HVAC system running efficiently with the EconoHome 16x25x4 MERV 11 Pleated Air Filters. Designed to capture common airborne contaminants such as dust, pollen, pet dander, mold spores, and other allergens, these high-performance filters help improve air quality throughout your home. The durable pleated media provides effective filtration while maintaining proper airflow to support heating and cooling system performance. Compatible with select Lennox X6670 and Honeywell FC100A1029 systems, these filters feature an actual size of 15-15/16 in. x 24-7/8 in. x 4-3/8 in.