Features :
1) Ball bearing motor, long lifetime.
2) Configure overheat protection for safe.
3) 2 speed motor for each model, use flexible.
4) Optimized air collector, air distributor and guide vane, high pressure and high efficiency.
5) Air inlet and outlet linked with agraffe in the fan, easy to install and maintain.
6) Suitable for blowing-in, air exhausting, air returning and air supplement in the hotel, meeting place, super market, stores, restroom, etc.