Description
Back Draught Shutter
Use Back Draught Shutter To Block Unnecessary Odour, Bugs and Pollen Into Your Precious Grow Room During Inlet Fan Downtime!
Backdraft shutters (also known as Butterfly Dampers) are widely used in conjunction with inline exhaust fan systems.
When the exhaust system is not running, a backdraft shutter is a draught stopper used to block air, pollen and bugs from moving in the wrong direction.
When an air stream creates pressure, the shutters open, and when the fans are turned off, they automatically close.
When fans are turned off, spring-operated flaps prevent any air back flow by closing when there is no positive airflow.
Features Of Back Draught Shutter ;
Galvanised sheet steel housing
Aluminium flaps
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