... high quality. 4.Certification:UL,CCC. Bath fan BPT18-02BL Model:BPT18-02BL 70CFM,118m3/h, 2.5sones, 57db,4"Duct,Power ... .Luxuriant elegance American style ceiling light match with efficiency ventilator fan,fashion,beautiful,creat endless aesthetic feeling for your life.2 ... :voltage&frequency:120V,60Hz,220V/230V,50Hz,CFM:70CFM(118m3/h),suitable for 65-85Sq.Ft.6.Certification:UL,CCC