OOPPEN 6?? Ventilation Wall or Ceiling Mounted Exhaust Fan Feature: Modern design and good looking. Fan frame and blade are made of high-quality durable ABS plastic, UV resistant. Fan with reliable low-watt motor, continuous operation. Protection class: IP34. Mounting: The fans are directly mounted into the ventilation shaft. In case of remote location of ventilation shaft, connect a flexible air duct to the fan with a clamp. Fix the fan to wall by self-tapping screws. Suitable for ceiling mounting. Application: Continuous or periodic exhaust ventilation area such as bathroom, showers, kitchens and other spaces.