More About High Volume Supply Diffusers (HVS Series)
The HVS Series Steel Square High Volume Supply Diffusers with a 3-Core Face by Hart & Cooley provide steel construction, high air volume delivery, 360-degree air diffusion, a formed back panel, fixed core, a fiberglass insulation blanket with foil vapor barrier to minimize condensation on HVS, and insulation prescored to accommodate collar size desired. The R6 model has a molded fiberglass back. They accept unique 2" high snap-in collar (5400 series) (6" to 12"). They utilize a butterfly damper (3800 Series) inserted in collar. These diffusers come in a bright white finish and have a HVS14–14" collar factory-installed