The ceiling diffuser plaque face is extremely handy for most residential and commercial projects that require high quality diffusers for incorporation with several ceiling types. The clean face plaque design blends beautifully with any decor, given that it was designed to satisfy engineering criteria as well as architectural requirements. This diffuser offers great flexibility of use an d is available in a wide variety core styles as a 4,3,2 or 1 way pattern. The supply air diffusers are created to provide an even distribution of air from any type of ceiling. They are available either with a mounted or beveled edge or a flush surface.