... . 4.Certification:UL,CCC. Bath fan BPT20-01CLModel:BPT20-01CL70CFM,118m3/h, 1.5sones, 52db,4"Duct,Power:25W100CFM,175m3/h, 2 ... .Luxuriant elegance American style ceiling light match with efficiency ventilator fan,fashion,beautiful,creat endless aesthetic feeling for your life.2 ... (118m3/h and 175m3/h),suitable for 65-125Sq.Ft.6.Certification:UL,CCC Bath fan BPT20-01CL