The Fellowes AeraMax Pro AM3 with 4-stage H13 True HEPA Filtration effectively removes at least 99. 95% of particles as small as 0. 1 microns, including allergens, such as pollen, dust, pet dander, and smoke in rooms 300550 square feet. Antimicrobial HEPA treatment applied to the True HEPA filter inhibits the growth of odor and stain-causing microorganisms to extend the filter lifespan. Powered by EnviroSmart Technology that monitors occupancy and air quality then works harder when you need it. Built to Last- designed and engineered for long term use backed with 5-year warranty. Wall Mount seamlessly integrates in your space creating whole-room circulation. 4-stage H13 True HEPA Filtration: Effectively removes at least 99. 95% of particles as small as 0. 1 microns, including allergens, such as pollen, dust, pet dander, and smoke in rooms 300550 square feet. Antimicrobial HEPA treatment: Applied to the True HEPA filter inhibits the growth of odor and stain-causing microorganisms to extend the filter lifespan. Monitors occupancy and air quality: the only air purifier that works harder when you need it powered by EnviroSmart Technology. Built to Last: designed and engineered for long term use backed with 5-year warranty. Wall Mount: Seamlessly integrates in your space creating whole-room circulation. Commercial grade wall mount air purifier with 5-year limited warranty. Compatible with Hybrid Filter 9436902. Compatible with Hepa Filter 9416602. Compatible with Carbon Filter 9416502. Compatible with Carbon Filter 9436802. Compatible with 3/4" Pre-Filter 9600501. Commercial grade wall mount air purifier with proprietary smart sensor technology.