Aluminum Airfoil Blade Single Deflection Diffuser 901-18X4 Finish:Velvet Black All steel parts with galvanized

All steel parts with galvanized finish or zinc coating

Free area equals more than 75% of nominal size

3 cone steel diffuser with hinged core for easy duct access

* Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Driftwood Tan Options * TD Series - with damper

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

Aluminum Airfoil Blade Single Deflection Diffuser 901-18X4 Finish:Velvet Black All steel parts with galvanizedStandard Features * Extruded aluminum (. 055 T6) surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of airfoil blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Single deflection diffuser with adjustable airfoil blades * Airfoil blades are parallel to longest dimension * Allows 2 way air deflection on one plane * Soft White Options * 901 O with recessed screwdriver