Toxins, allergens, pet dander—oh my. Breathe a sigh of relief when it comes to achieving clean indoor air using this professional-grade, mobile floor unit air purifier. Featuring a HEPA H13 air filter (a.k.a. the best of the best when it comes to filtration), it refreshes a 1,250 sq. ft. space every 15 minutes. Our largest floor unit available, it includes casters to easily move it around your home or in the office wherever you need it. With a visible air quality indicator, plus a handy filter replacement indicator, you can breathe easy.