Description
These are typically placed near a light trap. A must have for light dep greenhouses.
Backdraft Damper, louver, shutter.
We have both 24 and 30″.
Manual and electric.
Price $100.00
Fresh air intake shutter.
Shutter typically stays closed keeping your greenhouse warm.
When the exhaust fan turns on, negative pressure is created therefor opening shutters and bringing in fresh air.
6 in stock
These are typically placed near a light trap. A must have for light dep greenhouses.
Backdraft Damper, louver, shutter.
We have both 24 and 30″.
Manual and electric.
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