Commercial grade portable air purifier with proprietary smart sensor technology. The fellowes aeramax pro am4s 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 650-1100 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. The floor stand offers true flexibility where you need it most simply plug it in and go. Built to last- designed and engineered for long term use backed with 5-year warranty. 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 650-1100 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 air purifier that works harder when you need it powered by envirosmart technology. Floor stand: offers true flexibility where you need it most simply plug it in and go. 4-Stage true hepa filtration system removes over 99% of all airborne contaminants. Compatible with hepa filter 9416602. Compatible with carbon filter 9416502. Compatible with carbon ...