... heating, ventilating, lighting, forms a whole ceiling system in harmony. MODEL:BPT16-2Exhaust fan : 35WPanel material: AluminiumPanel size: 300*450mmInstallation ... bearing motor,super quiet,super exhaust , efficiently remove moisture, to ensure the indoor air quality fresh and clean.3. Light ... Size:300*300mm,300*450mm,300*600mm,5.Ceiling Panel:Aluminium panel. Integrated Ceiling Exhaust Fan BPT16-2