This mid-size model is designed for commercial/hospital use as well as residential. It can be used as a whole house unit of 2000 sq. ft. or less. It is made of stainless steel/hospital grade (22″ x 22″ x 22″) portable (on wheels) unit and is designed for the eradication of viruses, bacteria, mold, mildew, odors, pet dander, formaldehyde, as well as VOCs in small rooms, buildings, or homes. This model is designed for Hospital, Doctor Offices, Nursing Homes, Flooded Buildings, Fire Restorations, homes with mold problems, Schools, as well as any other commercial uses and can be deployed very easy.