Airmaster 42711 High Pressure Belt Drive Fan Single Speed Totally Enclosed 3 Phase 36 Prop
http://www.amazon.com/gp/product/B008DJH64S?tag=sukses2015-20
1-speed 36 belt-drive exhaust fan for use in exterior ventilation
230460V three phase 1 hp permanently lubricated totally enclosed ball bearing motor
12475 cubic feet per minute CFM airflow rate
Four aluminum blades with permanently lubricated bearings on blade drive shaft
UL Listed for quality assurance
