This Fellowes AeraMax Pro AM 4 PC Professional Air Purifier cleans spaces of 600 to 1400 square feet. It is featured with PureView that shows the status of the current room air quality including percentage of particles captured and removed from the air. The display screen shows PM 2.5 and PM 10 air quality making the invisible, visible!. Plus, its EnviroSmart 2.0 includes dual self-regulating laser particle counters, VOC, audio and motion sensors. This Fellowes AeraMax Pro AM 4 PC PureView Professional Air Purifier is backed by a 5-year warranty. PureView shows the status of the current room air quality including percentage of particles captured and removed from the air. NOTE: NEEDS TO BE INSTALLED BY A QUALIFIED ELECTRICIAN. DOES NOT HAVE A PLUG-IN CORD. SWPlus reference number: 944.2203 SEPG reference number: 014398 Qty. Per Pack: 1