Hon&Guan 4 Inch Inline Booster Duct Fan with Duct Damper 4 Inch
$37.99
$37.99
$
16
.99
$16.99
About this item
- 【Durable Material】Hon&Guan 4 backdraft damper make of galvanized steel with black powder coat finish and spring-loaded aluminum damper blades.
- 【Easy Installation】The position of the 4 inch duct damper spring should be horizontal for horizontal installations so that it can open and close optimally. And the length of the side tie bar is less than 3mm, so don't need to worry about damaging the duct during installation.
- 【Lightweight Valve Wings】The valve wings open under the pressure created by the airflow; when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow.
- 【Energy-Efficient Ventilation】This powerful inline duct fan speed of 4500 RPM can create the air flow of 130 CFM, Maximum power consumption is only 6W. Upgrade DC motor & low noise effectively circulating air, quickly move vast amount of air to exhaust odors.
- 【Adjustable Controller】 The 4-inch duct fan includes a variable speed controller, which can allows you to adjust the airflow and noise at will.
