... with high-quality steel plate stamping, light weight 14'' industrial exhaust fan sizes:10'',12'',14'' 16'' 20'' 24''dia:25cm,30cm,35cm,40cm ... .item no.:DF35-A12.size:14 inch ,35cm 3.power:97WRPM:1300-1450r/minstrong wall, portable exhaust fan features1. motor color high ... in it,please contact with me,contact person:Donna Zheng 14''industrial exhaust fan