Air inlet/outlet terminal with casing and mounting frame. The face plate is perforated sheet in a single or double layer imounted in an encapsulating profile frame, with a border (6.5 mm), perforated for countersunk screws. The mounting frame is made of sheet steel for use for installation in the wall aperture. It is completely powder-coated in RAL 9010 silk matt with other RAL colours available on request. The rear perforated sheet is coated black. Front perforated plate: Rv 6/8 mm.