Designed with pets in mind, Airdog pet air purifier addresses the unique needs of pet households. Imagine the relief from allergies, now extended to your beloved pets. It eliminates odors and captures 99.9% of airborne pollutants, including pet dander, odor, bacteria, and allergens down to 0.0146 microns. Its 5-step, pet-centric design ensures that even your cats and dogs enjoy a fresher environment with their heightened sense of smell (10,000x-100,000x more sensitive than ours). Airdog pet covers rooms up to 1600 sq. ft. (1 Air change per hour). For a better cleaning experience, we recommend using in rooms ranging from 404 sq. ft. (4 air changes per hour) to 540 sq. ft. (3 air changes per hour).