Dayton 24 Backdraft Damper / Wall Shutter, Front Flange, 24-1/2 x 24-1/2 Opening Required - 2FTW6

This shutter is for cabinet fans and flush-mount wall exhaust applications. The frame has G-90 galvanized steel tie rods and stainless steel rivets and pivot pins. The mill-finish aluminum louvers with a galvanized steel reinforcement strip open easily and minimize load on the fan. Exhaust Shutter, Single Panel 24 In