2
.Big airflow and air pressure.
3.Double
NMB ball bearings
,long working life-over
50000 hours.
4.
Easy installation.
5.Protection grade:
IP44.
6.Operation temperature range:
-20℃~60℃.
7.Perfect for office,meeting room,public place,hotel,apartment,hospital,ktv,etc.
Optional Functions:
Three-speed motor(high,middle,low)
Timer
Temperature,humidity sensor.