... long life2. Installed in all kinds of non-windows ceiling. for conference rooms, restaurant, receptionroom, bathroom etc3. ... polluted air, wet gas, smoke, dust6 Household exhaust fan,100% copper wire motor Item specification: Model Rated ... Frequency Power Air Output SRL20A-3 110V-240V 50HZ-60HZ 35W ≥500M3/H Model Panel Size Mounting Hole ... your inquiry! SRL20A-3 Bathroom Electric Plastic Ceiling Fan