The MA-50 combines HEPA filtration for the ultimate clean air experience. Ideal for large rooms in homes, apartments, offices, schools, universities, classrooms, hospitals, restaurants, and other businesses. Traps 99.9% of harmful particles like allergens, odors, VOCs, smoke, pollen, pet dander, dust, smog and other contaminants down to 0.1 microns. Perfect for your bedroom, basement, living room, kitchen, office, and more.