Method of Operation In STERILAIRE™ Room Air Sanitizers room air is drawn past washable electrostatic filters, then forced into an ultraviolet exposure chamber in which the air is subjected to powerful germicidal rays, past baffles and then reintroduced into the room. The STERILAIRE Room Air Sanitizer provides effective germicidal treatment without the hazards associated with exposed ultraviolet lamps. Application of equipment is simple and straightforward.