Give exhaust fumes in your garage an escape route with the EP-4x1-4 4-in aluminum exhaust port for non-insulated garage doors that are up to 1/4 in thick. Use it with a 4-in wide exhaust hose to vent fumes from your garage. All mounting hardware is included with the EP-4x1-4.The port's depth is 5/8 in. The interior diameter is 4 in, and the exterior diameter is 5 in.
For 1/4-in non-insulated garage door
Use with 4-in exhaust hose (not included)
Inside diameter: 4 in
Outside diameter: 5 in
Depth: 5/8 in
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