Nordic Pure MERV 15 Air Filters are expertly designed to capture over 95% of airborne particles across a range of sizes. These high-efficiency filters trap over 95% of particles sized 3.0-10.0 microns, such as lint, dust, pollen, pet dander, and mold spores, as well as particles from coughs, sneezes, and smog. They also remove over 95% of finer particles in the 1.0-3.0 micron range and over 95% of ultra-fine particles as small as 0.3-1.0 microns, providing outstanding indoor air quality. Constructed from electrostatically charged synthetic materials, each filter includes a sturdy, moisture-resistant frame and reinforced metal mesh for enhanced durability and consistent performance in HVAC systems.