This premium high-efficiency H13 Grade True HEPA Filtration System is fully compatible with *Filtrete Room Air Purifier. This True HEPA Filter System contains 2-stage filtration: <br> <br> -<b>Activated Carbon Odor Protection Filter: </b> Traps larger particles in the air like dust, hairs, pet fur, lint, and absorbs household odors from pets, cooking, smoke, wildfire, and harmful VOC’s <br> <br> -<b>Premium H13 Grade True HEPA Filter: </b> Captures 99.97% of airborne ultrafine particles down to 0.3 microns in size, creating fresh and purified air for you and your family<br> <br> <b>Fully Compatible with the following Filtrete Room Air Purifier models:</b><br> -FAP-C02-A2<br> -FAP-C03-A2<br> -FAP-T03-A2<br><br> Using high efficiency air cleaner filters and replacing the filters regularly will help optimize air cleaning performance. Replace your True HEPA Filter System every 6-12 months depending on usage and environment for optimal performance. <br> <br> <br> <br> Disclaimer: <br> *Filtrete is a registered trademarks of its original manufacturer. Any use of Filtrete brand names and model designation is made solely for the purposes of demonstrating compatibility.