These Leak Detective test kits make it easy to measure duct system leakage and performance, according to the manufacturer. Four standard sizes are available either as a kit or a wheeled cart assembly. Test kit includes orifice tube, calibration chart, OSHA-approved fan with damper, manometers, tubing and dye. A smoke generator can also be specified.

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