Gravity Backdraft Damper Exhaust Shutter 20" x 20"

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(Please reference this SKU number when making inquiries.)

sku: 284345
    • Aluminum louver construction with galvanized steel frame
    • Gravity-actuated backdraft damper operation
    • Approximately 20" x 20" frame dimensions
    • Integrated mounting flange with pre-drilled holes
    • shows normal signs of usage