The VisionAirâ„¢ is a solution to indoor air pollution from smoke, aerosol, dust, germs, and more, the company states. According to the manufacturer, the VisionAir filters remove 99.97 percent of indoor irritants and pollution, while a carbon filter removes unpleasant odors, producing purified air that is healthy and easy to breath. The system is available in two models: VisionAir1 (wall, ceiling, or stand mounted) and VisionAir2 (mounted on the wall or ceiling).

United Air Specialists, 4440 Creek Rd., Cincinnati, OH 45242-2832; 800-252-4647; www.uasinc.com.