Toxins, allergens, pet dander—oh my. Breathe a sigh of relief when it comes to achieving clean indoor air using this professional-grade, 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 250 sq. ft. space every 15 minutes. This floor unit is designed to stand on its own and can be easily tucked under your desk or in a corner. With a dual filter featuring two intakes, plus a handy filter replacement indicator, you can breathe easy.