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This Wall Backdraft Damper is a vital component for ensuring a tight seal in commercial and industrial ventilation systems. By mounting vertically, it effectively prevents backdrafts and air leaks, maintaining a consistent indoor air quality. Its 36-inch diameter fan and 2500 fpm maximum air velocity make it an ideal solution for applications where high airflow is required. Suitable for use in environments with high traffic or high-velocity air systems, this damper is a reliable choice for maintaining a secure and efficient ventilation system. It's perfect for use in commercial buildings, warehouses, and industrial facilities.
42 In.H-W 5.75 In.L Aluminum Wall Fan Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 42 in, Rough Opening Diameter 39 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 36 in, For Duct Shape Not Applicable, Free Area 8.5 sq ft, Overall Width 42 in, Frame Material Thickness 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 3 in