|Blade Style:||Combination Integral--Exhaust|
|Free Area 48 x 48:||38%|
|Area Velocity FPM:||730|
Combination exhaust louver with integral backdraft damper in an economical 4-inch deep frame, the AEN-04 is an efficient solution designed to protect openings from weather penetration and supply on-demand exhaust ventilation in response to fan operation. AEN-04 does the job of both an exhaust louver and backdraft damper in one.