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CHICAGO - Steril-Aire’s booth is highlighting the Steril-Zone, a room air purifier that combines three technologies - a 95 percent efficiency particulate air filter at 0.3 micron, a patented extended life activated carbon filter, and a patented germicidal UVC emitter - to clean the air in rooms up to 1,000 square feet. Here a Steril-Aire representative discusses the product with a show attendee.