The design of the Cata X-MART MATIC type ventilation fans has not only an aesthetic, but also a flow technology role. It is characterized by a lower noise level compared to its counterparts with similar performance and traditional design. It is designed for the ventilation of bathrooms, restrooms, and household rooms, for exhausting the used air directly through a wall opening or through a short pipe system. The fan can be operated either from the light switch in the room or from a switch placed separately for the fan. The product is protected against splashing water and has an IP-X4 protection level in terms of moisture, therefore the minimum installation height can be 225 cm measured from floor level. It can be installed on the side wall and ceiling thanks to its special bearings. Due to its recessed design, the fan's thin front panel protrudes less from the wall or ceiling after installation than in the case of non-recessed types. X-Mart fans are so-called The unique fixing system of Quck Fix Grip enables quick and easy installation. Fixing does not require separate drilling, it can also be done without dowels and screws. Its front panel can be removed with one movement, without the use of tools, and can be put back on the device just as easily. This allows for easy cleaning of the fan, which, for all ventilation fans, should be done 2-3 times a year for efficient operation and longer service life. Automatic front panel: The front panel of the fan opens automatically (when switched on) and closes (when switched off) approx. After a delay of 40-50 seconds, which greatly reduces the possibility of inflow of cold air in winter, and the return of unpleasant odors when connected to a central system. Timer function: enables a delayed shutdown of the fan. The desired post-ventilation time can be set steplessly between 3 and 15 minutes. This function can be especially useful in the case of ventilation of restrooms or bathrooms combined with a restroom.