Vents TT 315 315 mm duct fan with ball bearings. Thanks to its design, this fan is easy to maintain. The fan can be connected to two different power levels and switched via an external switch. The motor has a thermal fuse. The fan can be used in small and medium-sized rooms such as toilets, kitchens, offices, greenhouses, growing tents, etc. Thanks to its technical parameters, it is designed for extraction in medium-distance pipelines. The ball bearings extend your fan life to 40,000 hours. The fan can be installed both vertically and horizontally.