Perforated T-Bar Adjustable Pattern Controllers 780-12 Step Down Ceiling Diffuser Back blades are parallel to

Back blades are parallel to the longest dimension

12 & 14" * Mill finish

All steel construction

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

2" ADC compliant round collar with a bead for ease of installation

Perforated T-Bar Adjustable Pattern Controllers 780-12 Step Down Ceiling Diffuser Back blades are parallel toStandard 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