Backdraft Damper / Wall Shutter, Fits Fan Dia. 54 in, Shutter Overall Size 57 in x 57 in, Shutter Construction Material G-90 Galvanized Steel Frame and Tie Rods, Shutter Opening Required 54-1/2 in x 54-1/2 in, Shutter Free Area 17.007 sq ft, Vertical...
Condition: New
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