Zodiac Canal Fast 250 duct fan is easy to install with the quick-fix system. The ducted fan has a socket to supply fresh air to slightly reduce the pressure in the room. It can be installed horizontally or vertically anywhere in the duct. It is composed of a polypropylene flange body and has a turbine with a centrifugal operation, an ABS propeller, mounted directly on the motor body. Two-speed external motor. IPX4. Built-in mounting system with locking collars.