Scent Machine Air Purifiers are suitable for small to medium-sized spaces up to 1000 sq ft of space. It is very important to stop ignoring the effects of pollution in our lives. It is important to do our best to make sure the air our children breathe is of good quality. Aroma Fragrance Machine generates 14 million negative ions per minute, effectively removing smoke, odors, pm 2.5, pollen, formaldehyde, benzene, etc., and creating a forest-like air quality in your home, office, or business.