The supply components apply heat insulating material in order to avoid the apperance of moisture condensation
To beMade of lots of circular spout which is with perfect inductivity ratio, so as to make sure the airflow circulates well.
Good Air-flow organization, favorable homogeneous distribution of indoor humidity
Static painting as per requirement. (any color is available
Functions: installed on exterior wall as the supply outlet , which is impervious to rainwater, and control the airflow,and also be the necessary establishment for each ventilative mode.
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