Perforated T-Bar Adjustable Pattern Controllers 780-12 Step Down Ceiling Diffuser One piece curved frame with

One piece curved frame with gasket fits flush to spiral pipe

All steel construction

Back blades are parallel to the longest dimension

Options (must specify when ordering)

Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product

Perforated T-Bar Adjustable Pattern Controllers 780-12 Step Down Ceiling Diffuser One piece curved frame withStandard 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