Ventilation fan home bathroom toilet glass window exhaust fan hotel toilet intelligent dehumidification exhaust fan ,Powerful and Efficient

When the dehumidification drops to the set value, the main engine will work after a delay Five-speed delay start setting The anti-reverse film is light and thin, with a large opening angle, faster air exhaust, and can prevent backflow when closed The built-in thermal protector is safe and reliable when power failure exceeds 130°C Seven leaf wind wheel