Austin Air Pet Air Purifier The Austin Air Pet Air Purifier draws air from all sides, then uses a four-stage filtering process to remove pet odors, dander and allergens in rooms up to 1,500 sq. ft. ??? Powerful air purifier ??? 360-degree air intake ??? Removes pet odors, pet dander, pet allergens, viruses, bacteria and other airborne contaminants ??? Four-stage filtering process: - Two pre-filter