This air filter was designed to be used in smaller places such single rooms, closets, restrooms and Pet Habitats. It is compact enough to join you on vacation or business trips. The ozone technology eliminates odors and sterilizes killing up to 99.9% of viruses, molds and bacteria. The Suraki GBA-200 uses the corona discharge method of ozone production and is effective in areas up to 300 sq. ft. Suraki GBA-200 has shown to be effective with germs commonly found in pet areas:Household germs: • Dermatophytes • E. coli • Legionella Pneumophila • Salmonella • Staphylococcus • Pseudomonas Aeruginosa • Molds and Mildew Dogs: • Parvovirus • Paramyxovirus (Distemper) • Canine demodicosis • Canine scabies Cats: • Ear mites • Bordetella Bronchiseptica