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904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 20" Duct Opening (front blades parallel to shortest dimension)
Hand operated level for easy filter access and cleaning
Standard Features *Surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 936 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws
All component parts
Dampers above 80 square inches free area will be provided with blade insulation
T-Bar Fixed Bar Blade 915T-1X2 Step Down Ceiling Diffuser 904 - Double Deflection AdjustableStandard Features * Full size fixed bar blade T Bar lay in return air grille * . 055 T6 extruded aluminum * Square collar * For 22"x22" square duct * Soft White Options * 915 T O opposed blade damper * No Labor Collar square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product
