The bestselling MA-40 blends style and technology for long-term air cleaning. Ideal for large rooms in offices, schools, universities, classrooms, hospitals, restaurants, and other businesses. Trusted to remove 99.9% of harmful particles including allergens, odors, VOCs, smoke, pollen, pet dander, dust, smog, contaminants, and more down to 0.1 microns in size. 

• Cleans large spaces up to 1,600 sq ft in one hour, 840 sq ft in 30 minutes (CADR 380).
• Trusted to remove 99.9% of particles including odors, smoke, pet dander, dust, and more down to 0.1 microns in size.
• Choose from 3 fan speeds, with the lowest setting operating virtually silent. 
• Includes a sleek touch screen operation panel with 0-8 hour timer, fan speed, sleep mode, filter replacement indicator, and child lock, great for both kids and pets.