Filtretre Allergen Defense 1000/1085 MPR Furnace Filter, 14 in. x 20 in. x 1 in. is designed to enhance the air quality in your home by capturing a broad range of particles and allergens. This filter is specifically engineered to work seamlessly with central heating and cooling systems, effectively ing your system into a whole-home air filtration solution. It efficiently traps particles of various sizes, from larger ones like lint, pollen, dust, and pet dander to smaller particles such as smoke and smog. This comprehensive filtration helps reduce allergens and improves the overall air quality, creating a healthier environment for you and your family. Featuring a Microparticle Performance Rating of 1000/1085, this filter demonstrates its effectiveness in capturing common airborne allergens and pollutants. By regularly replacing your HVAC system’s filters with Filtrete Allergen Defense filters, you can maintain cleaner, fresher air throughout your home. Model Number: 9805-4