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Name: Cross flow fan Material: Aluminum Size: wheel diameter 120-360mm, or as customers request Motor: it is designed suitable silent operation by using selected motor of low-noise and high-efficiency. It is UL certified. Description: distribution of air velocity is uniform Usage of cooling device: power source device, transformer, duplication machine, projector, etc. Electric machine for home use: motor fans, small ventilatorelectrical warmer, micro wave, air-circulator in refrigerator and warm keeper, electrical cooker, hair dryer, etc. Fan can be served in insulation class H. Cross flow fan, tangential fan, cross flow blower More detailpleasefeels free tocontact me.