More About Tab Collars for T-Bar Diffusers (6400 Series)
–
The 6400 Series Galvanized Steel Tab Collars for T-Bar Diffusers by Hart & Cooley provide galvanized steel construction, are tabbed for easy installation, and are for use with fiberglass-backed ceiling diffusers. They accept 3800 Series Dampers and are available in sizes (inches): 6-14.
More About Tab Collars for T-Bar Diffusers (6400 Series)
The 6400 Series Galvanized Steel Tab Collars for T-Bar Diffusers by Hart & Cooley provide galvanized steel construction, are tabbed for easy installation, and are for use with fiberglass-backed ceiling diffusers. They accept 3800 Series Dampers and are available in sizes (inches): 6-14.