RVK FanRVK Fan The RVK fan is an industry staple. Ideal for use as an extractor or intake fan. Suitable to ventilate wet or damp rooms, versatility makes this product a consistent bestseller. Easy to connect and simple to install in virtually any position, RVK fans feature an energy efficient backwards curved motorised impeller and can be powered directly from the mains or via a speed controller to regulate speed and airflow. The fibreglass and polypropylene