Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-4X40 Residential Registers & Grilles 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)

stair risers

Standard Features * Galvanized steel panel * Square hole: 6" thru 22" sizes * Seismic support holes * 2x2 * Soft White Options * 1x2

Nylon bushings on adjustable blades prevent metal on metal rattle

Holds up to a 4" filter (not included) with filter retention tabs (FG4)

Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-4X40 Residential Registers & Grilles 904 - Double Deflection AdjustableStandard Features * Extruded . 055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 907 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