The AE family of extruded aluminum, square ceiling diffusers is available. The particular series names (AE1, AE2, AE3, AE4, and AE5) denote the diffusion patterns (one, two, three, and four-way and ...

To some people, a diffuser is just a piece of metal that covers a hole in the ceiling. Occupants don't always understand what the diffuser does; instead, they may see it as the necessary evil that ...