The 4 way ceiling diffuser is made of high quality aluminum profile. It is used for air supply and air exhaust for cooled or heated air in facilities such as offices, shopping centres, conference rooms. The diffuser can be mounted in the ceiling and has 4-way horizontal air pattern. 1-way, 2-way and 3-way design are also available for different usage. They are supplied as standard with a spring loaded removable centre core for ease of cleaning and adjustment. All diffusers are supplied with a safety cord between the diffuser core and frame.