Inquiry (采购产品): ceiling exhaust fans pls explain CFM and sonics ? I need a ceiling exhaust fan for room 24 x 16 ft. what do you recommend or what size will accomendate this area ? for smoke/odor. thanks **** Hidden Message ***** robert lee 48235 USA Company: none E-mail: lee1321@aol.com **** Hidden Message ***** lee1321@aol.com
