176x176x89mm 
 Fan Performance 
 Frame: aluminum frame 
 Fan: thermoplastic pbt, ul94v-0 
 Connection: terminals or lead wire 
 Cable length: 310cm ± 5% 
 Operating temperature: -20 ° c ~ +60 ° c 
 Voltage Range: Rated Voltage ± 10% 
 Weight: 1960g 
 Packing: 6 into a box, 390x305x220mm 
 Weight: 13.5kg 
 Advantages: blade head design for the closed, in order to avoid dust or foreign matter fall where current is small compared with no heat.