Oval Air is an affordable indoor H-13 Hepa air filter designed to make your home safer and healthier - without sacrificing style. Customize your air filter to match your decor with changeable covers in the trendiest colors. Reduce allergens and odors at school or at home in the bedroom, nursery or office. H-13 Hepa filters are ozone-free and remove over 99% of indoor air pollutants, cleaning up to 600 sq ft. Modern, space-saving design is slim enough to fit neatly into any room.