Selar nozzle (a product of Ariakupling company) is a type of nozzle exclusive to a person with a wide spraying range, high discharge rate and a special mechanism. This nozzle is used in fire extinguishing operations in conditions with little access and large volume of fire. The nozzle cellar is designed in such a way that during a fire, it enters the fire environment through a small opening and starts the extinguishing operation. This nozzle starts rotating automatically with the pressure of water and sprinkles small and large drops of water in all directions. Using this particularly specific environment in many environments, by reducing the ambient temperature and the lack of smoke, the prestige of the extermination operations and can be helped by the firefighter. Selar nozzle is also known by other names such as Bresnan, Nozzle Distributing and Nozzle Revolving.