Introducing the AIRx Filters 20x20x5 MERV 13 HVAC AC Furnace Air Filter Replacement, designed to ensure the optimal performance of your home heating, ventilation, and air conditioning system. This 2-pack air filter, measuring 19.63 x 19.88 x 4.38 inches, is rated MERV 13, trapping particles as small as 1.0 - 3.0 microns, including lint, dust, pollen, mold spores, pet dander, smoke, and bacteria. Manufactured in the USA, it features high-quality, moisture-resistant double-wall beverage board and superior electrostatically charged 100% synthetic gradient media, capable of performing at temperatures up to 225F. Compatible with Honeywell FC100A1011 FC200E1011 CF200A1024 air filters and suitable for air cleaners and furnaces, this product guarantees efficient air filtration and cleaner air in your home.