The perforated sheet diffuser with offset round perforation is made of galvanised sheet steel, is corrosion-resistant, and RAL 9010 (pure white) coated both outside and inside. Furthermore, the surface is resistant to disinfectants.
The air transit is through radially arranged air directing lamella which can be adjusted or fixed in any position. The air directing elements are made of high quality plastic and available in grey, white and black.
The diffuser is fixed in position with a countersunk screw with a white cover surface on the visible side.