Opposed Blade Volume Damper 3000-0BD-64X50 Step Down Ceiling Diffuser Standard Features * 45-degree fixed

Standard Features * 45-degree fixed blades parallel to the longest dimension * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SP9235FG-4 - holds 4" deep air filter * 935 TFG - T-Bar mount * Standard Color or Designer Color Finish available on this product

Damper manufactured from corrosion tested galvanized mild steel (G-90)

700 CB40 - four way * 6x6 thru 20x20 diffuser sizes * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700 CB40 0 - opposed blade damper * 700CB FR - U

700MA Series Engineering/Performance Data

Opposed Blade Volume Damper 3000-0BD-64X50 Step Down Ceiling Diffuser Standard Features * 45-degree fixedh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.