The Leak Detective test kits from McGill AirFlow are designed to make it easier to measure duct system leakage and performance. Four standard sizes are available either as a kit or a wheeled cart assembly. Test kit includes orifice tubes, calibration charts, Occupational Safety and Health Administration-approved fan with damper, manometers, tubing and dye. A smoke generator can also be specified.

McGill AirFlow LLC, 1 Mission Park, Groveport, OH 43125; (614) 829-1200; fax (614) 829-1291; www.mcgillairflow.com.