noun
ventilation fan; extractor fan
A fan installed in a wall, ceiling, or window to remove stale air, smoke, or odors from a room. Common in kitchens, bathrooms, and other enclosed spaces.
台所の換気扇をつけて、煙を外に出してください。
Please turn on the kitchen ventilation fan to let the smoke out.
浴室の換気
The bathroom extractor fan broke, so I asked for repairs.