Pictured here is different types of Air Scrubber HEPA Systems, they are portable air-scrubbing devices designed for the restoration industry. SERVPRO of North Huntsville uses these machines to restore the air quality in affected residential and commercial buildings and structures. These machines can be used as a negative air machine, to create negative air pressure in a contaminated area. Also these machines can be used in mold remediation, water damage restoration, fire damage restoration, sewage damages, odor control and even dust control.