Here you will find all Grada multidirectional ceiling diffusers for supply and extract! These square diffusers fit exactly in a 600x600 suspended ceiling due to the nominal dimensions of 594mm. The ceiling diffuser has a multidirectional horizontal air pattern and is suitable for both supply and exhaust. The screw fixing makes the diffuser removable. The ceiling diffusers are made of steel. Still looking for another diffuser? Then take a look at our full range of ventilation grilles!