... to moisture, earthquake, maintenance-free; 03.Modular with plug-in design, easy maintenance, reliability; 04.Use Ozone-specific air pump ... , mold spores, fungi spores, house dust mites, chemicals used in grooming and cleaning, off-gassing of carpets, furniture, and upholstery ... the planet of people reporting the onset of seasonal allergies in their lives for the first time. An indoor air purifier ...