Clorox 20x25x1 Replacement Furnace HVAC Air Filters are designed to fit perfectly and perform exceptionally, with an actual size of 19.75"x24.75"x0.75". These filters are completely unscented, making them a great choice for households or spaces sensitive to artificial fragrances. They are crafted to restore freshness by capturing unwanted indoor air particles making them ideal for homes, offices, classrooms, and other indoor spaces. Equipped with MERV 11 media, comparable to MPR 1000-1200 and FPR 7, these filters offer effective filtration. The pleated design ensures up to 90 days of superior performance (depending on use), delivering cleaner air for longer compared to standard fiberglass filters. With a straightforward installation process, the filters are easy to set up, providing improvements in air quality. Engineered for excellence, the synthetic electrostatically charged media optimizes efficiency and airflow, while the premium beverage board frame and wire-backed media ensure structural integrity and dependable, long-lasting performance.