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Standard Features * 45-degree fixed blades parallel to long 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 * SP935FG-4 - holds 4" deep air filter * 935 TFG - T-Bar mount * Standard Color or Designer Color Finish available on this product
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 16" Duct Opening (front blades parallel to shortest dimension)
REVIT FILES Spiral Diffuser Radius Flush Mount Diffuser Single Deflection
2550 Series Engineering/Performance Data
Multi-Shutter Damper standard on 6" widths and larger
Volume Damper Low-Leak OBD 3000-0BDLL-60X36 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.
