More About Fixed-Pattern Diffusers, 2 Core Face (FPD Series)
The FPD Series Steel Fixed-Pattern Diffusers with a 2-Core Face by Hart & Cooley provide steel construction, high air volume delivery, 360-degree air diffusion, and a 2-cone fixed core, and a fixed collar (6"-14"). The unique 2" high collar permits easy flex connections, and the diffuser utilizes a butterfly damper (3800 Series) inserted in the collar. The damper is adjustable through the face. There is a formed back panel, which is insulated in the R6 Model. These diffusers come in a bright white finish.