exhaust fan (industrial fan, cooling fan, ventilating fan) A. Size: 1380mm/1220mm/1060mm/900mm( 54"/48"/42"/35") B. Power: 1.1KW/0.75KW/0.55KW/0.37KW (1.5HP/1.0HP/0.75HP/0.5HP) C. Galvanized steel frame; Aluminum vanes; Auto shutter D. Low power; low noise; larger wind output. PRODUCT CHARACTERISTICS:The optimal design and construction made by CAD/CAM, with high full pressure, big air volume, low noise, little energy-lost, stable running and being well for ages; The louver with pleasing shape can open and closed automatically, having dust-proof and water proof; with its double-function: cool breeze blowing and air draft, it is the best cooling and ventilating product for factories etc. APPLICATIONS: 1.Industrial fields: textile, socks/clothes making, glass, molding, rubber, coating, silk-screen printing, toy, electronics, home appliances, shoe making, printing, food stuff, processing, dyeing, laundry and other workshops with high temperature. 2.Civil fields: net bars, stores, supermarkets, mess hall, food markets, waiting-rooms and recreation places and other occasions with air-conditioning. 3.Agricultural fields: large farms, greenhouse and livestock farms, etc. Fan SeriesWith Aluminum Alloy Vanes: Item No. DimensionDiameterTurnsAir VolumeNosiePowerRating VoltageWeightTUHE-11380X1380X400127042744500651.1038085TUHE-21220X1220X400111042737000630.7538065TUHE-31060X1060X40095042732000600.5538055TUHE-4900X900X40079049529500560.3738043.5