Filtrete™ Premium Allergen & Ultrafine Particles + Odor Reduction filters come packed with True HEPA filtration* with an optional carbon layer designed to help defend against strong odors .
Introduce cleaner, fresher air in your home. This Filtrete™ Room Air Purifier Filter features True HEPA Filtration, which pulls in and traps 99.97% of airborne particles from the air passing through the filter media**. Our top of the line filter also helps capture exhaust particles, smoke, mold spores and pollen from the air you and your family breathe. (Disclaimer: as small as 0.3 microns, from the air passing through the filter media. Initial efficiency value.)