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700 CB20C - corner
120x120 multiple
904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 6" Duct Opening (front blades parallel to shortest dimension)
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
½ × ½ × ½ Aluminum lattice
Parallel Blade Volume Damper 3000P-40X36 Accessories 700 CB20C - cornerh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
