White Rodgers SC1000 is a Self-Contained Commercial electronic air cleaner effective at removing particles such as dirt, dust, cooking and tobacco smoke, pollen, bacteria and other airborne contaminants from a room. It can efficiently remove particles as small as 1/25,000” from the circulating air. The activated charcoal filter also effectively removes offensive odors present in the air. It comes with a pre-filter that initially traps lint particles for easy maintenance. You can install it in various settings like conference and cocktail lounges or even above a fireplace.