Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-28X30 Finish:Designer Color - Velvet Black Standard Features * Extruded aluminum

Standard Features * Extruded aluminum construction * 45 fixed blades parallel to longest dimension * Margin edges are 7/8" projection for baseboard installation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1100FF - flush frame * Fractional and odd dimension sizes * Standard Color

Standard collar diameter is the same as the diffuser size

For evaporative cooling or high-velocity exhaust applications

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 8" Duct Opening  (front blades parallel to shortest dimension)

Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-28X30 Finish:Designer Color - Velvet Black Standard Features * Extruded aluminumStandard 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