The architectural perforated face diffuser features an extruded aluminum border and mounting frame that match seamlessly for a flush mount that blends with most ceiling tiles. This diffuser makes use of a hinged, removable perforated faceplate with quick-release spring latches for easy access to pattern controllers, dampers, and duct work. With a diffuser height of only 3 in. the architectural perforated diffusers require minimal ceiling plenum height.