Perforated T-Bar Adjustable Pattern Controllers 780-10 T-Bar round collar only) * 830

round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U

Adjustable single deflection grille

425 Series Engineering/Performance Data

PERFORMANCE DATA FGAD Series Engineering/Performance Data

Perforated T-Bar Adjustable Pattern Controllers 780-10 T-Bar round collar only) * 830Standard Features * Airflow can be adjusted to 1, 2, 3 or 4 way patterns * Spring push release for easy access to adjust pattern controllers * Round No Labor Collar sizes: 6 10", 12", 14" and 16" * Perforated face with concealed hinges * 2x2 galvaneal steel panel with seismic support hangers * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6 14") * 780 OR factory installed opposed radial damper (sizes 6" 14") * 780 FR U. L. listed