Make sure you and your family are always breathing safe clean air in your home with the Dupont 3-Way Odor Control Carbon Air Filter. This electrostatic reusable air filter is designed with 3-way protection from dust mold dirt and invisible culprits like bacteria fungi and pollen that can wreak havoc on immune systems. Backed by science this air filter combats all particles trapped in your furnace filter and through lab testing is proven to catch a higher percentage of micro particles than conventional fiberglass filters. It also doubles as odor control as it eradicates microscopic airborne odor-causing organisms to help reduce the growth of microbes on the surface of the filter. Clean air provides a healthy comfortable home and helps prevent allergy symptoms.