Actuated, Heavy-Duty Shutter
Need a heavy-duty, powered inlet that can be used even in the harshest of environments? Look no further than J&D's Actuated, Heavy-Duty Shutter.
Galvanized Weather Hood
Galvanized Weather Hoods from J&D help extend the life of your shutter or fan by protecting your investment against harsh weather and severe wind. Available for fan sizes up to 54".