Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-20X4 Step Down Ceiling Diffuser Designed for high volume air

Designed for high volume air delivery

Mill finish

UL listed and tested in accordance with UL Standard 555C

Filter retention tabs

Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-20X4 Step Down Ceiling Diffuser Designed for high volume airStandard Features * Extruded . 055 T6 aluminum 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 * 906 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