1. Solder strong exhaust fan, strong exhaust, energy saving and electricity saving
2. Thickened frame, thickened fan blades, low noise
3. The thickened frame is used to ensure the smooth and safe operation of the motor and fan blades
4. Adopt sealed motor, anti-corrosion and anti-oxidation, increase the service life, and have the function of overheating protection
5. Material: stainless steel
6. Size: 4 x 4 x 4.8cm