20" Backdraft Damper / Wall Shutter, 20-1/2" x 20-1/2" Opening Required
The shutters open automatically when the fan is activated. The 26-ga. mill-finish aluminum louvers are felted on the leading edge for quiet operation. Additional features include nylon bushings and stainless steel pivot pins.
|Grainger Dropship||2C522||Fan Shutter, 20 In,Mill|
|VMRS (ATA) CODES||053-006-009||Fan Shutter, 20 In,Mill|
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