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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
055 T6 extruded aluminum frame * Hand operated lever for easy access * Concealed mounting holes * Filter door hinges parallel to longest side * Filter retainers * Removable face for easy cleaning * For 1" filter (not included) * Soft White Options * 600 2 FG - 2" filter spacing (filter not included) * 600 TFG - T-Bar mount * Standard Color
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 6" Duct Opening (front blades parallel to shortest dimension)
60% free area * Soft White Options * Countersunk screwholes with matching Phillips #8 x 1-1/2" oval Screws * 10 or 12 gauge steel * Tamper proof screws
904 Series Performance Data
Volume Damper Low-Leak OBD 3000-0BDLL-38X18 Specialty Products 055 T6 extruded aluminum frameh3. 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.
