The bestselling ma-40 blends style and technology for long-term air cleaning. Ideal for large rooms in homes, apartments, 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. Perfect for your bedroom, basement, living room, kitchen, office, and more. Can clean 896 sq. In 30 minutes. Color: White.