Fantech IR 12 - Manual 12" Duct Iris Damper
Measure the flow of air in ventilating systems using the Fantech IR 12 Iris Damper.
Made from galvanized steel sheets, the Fantech IR 12 Iris Damper comes with a tested, air-tight rubber seal. This damper enables precise measurement and control of airflow in exhaust fans. It keeps the sound level low and comes with an aperture that can be opened completely for cleaning without the need for an access door. Available in sizes 4-25 inches.