Johnson Controls has introduced the Envirco IsoClean® filtration system designed to create a negative pressure isolation room/environment that meets OSHA and CDC TB guidelines. IsoClean® can be used as a positive pressure clean air recirculating system in clinics, waiting rooms, hospital emergency rooms and other confined areas. The system can also be used as a partial or complete exhausting unit to construct a negative pressure isolation room space. To learn more about the IsoClean® visit: Kochfilter.com