Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-22X38 Step Down Ceiling Diffuser Multi-Shutter Damper standard on 6"

Multi-Shutter Damper standard on 6" widths and larger

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

Standard Features * 1/2" spaced vision-proof dual angular louvers for strength and maximum free area * Margin edges are 7/8" projection for baseboard installation * Soft White with color matching screws Options * 1133 - 1/3" spaced dual angular louvers * 1175 - added mullion stiffeners for greater strength * Standard Color

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1033 - 1/3" spacing available in limited sizes * A-1050 -

Louvers will be Parallel to the First Dimension

Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-22X38 Step Down Ceiling Diffuser Multi-Shutter Damper standard on 6"Standard 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