20x20x4 Air Filter Replacement MERV 11, FC100A1011 Pleated HVAC AC Furnace Filters with Cleaning Cloth, 5-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches)

High-efficiency Media Filter - With a MERV 11 rating, this 20x20x4 AC filter effectively captures various airborne particles and impurities as small as 0.3 microns. It's a great option for enhancing indoor air quality and ensuring your HVAC system runs efficiently. Minimal Upkeep - This home air filter requires no maintenance except for periodic, very simple, in-and-out media replacement, suggested every 6-12 months. Universal Compatibility - With a nominal size of 20x20x4 inches and exact dimensions of 19.94 x 19.75 x 4.38 inches, these air conditioner filters are designed to fit all 20x20x4 HVAC systems, including Honeywell Air Cleaners models F25, F27, F35, F100, F150, and F200, among others. Pure Air Everywhere - These 20x20x4 furnace filters are a great option for maintaining air quality in homes, offices, schools, hospitals, and commercial spaces. Versatile Use - The FC100A1011 air filter replacement is designed to fit furnaces, air conditioners, heat pumps, or HVAC systems with dimensions of 20x20x4 inches