There are different types of air purifiers, but experts recommend models that use HEPA ... room, the air smelled clean and crisp, and we found a noticeable amount of pet hair built up on the filter.

To select the best air purifiers, we focused on those that use high-efficiency particulate air (HEPA ... room up to 500 square feet, I will aim to put that filter in a 250-square foot room.” The ...