NAFC
Fan Components and Material Properties 
The case and propeller are made of electrostatic powder coated sheet metal and electrostatic powder coated from protective wire mesh strip steel. The motor and fan impeller are connected to the main body by steel carriers. It has an external rotor motor with closed structure. 
Benefits
Thanks to their ideal wing angles, they achieve high air flow at minimum sound levels despite their small size. Easily mounted on windows and wall.
Speed Control
Optional control devices can be provided.
* Speed control can be done with linear voltage regulator
Usage Areas
It is used for exhausting indoor air or for the need for fresh air. It is also used for air circulation by machine manufacturers.