Aluminum Airfoil Blade Grille - Vertical Fixed Blade 908-40X46 Step Down Ceiling Diffuser Extruded aluminum surface mount frame

Extruded aluminum surface mount frame with signature line marks

Type 304 stainless steel

3 hour fire resistance rating

Double deflection surface mount grille with adjustable airfoil blades

Performance Data With Multi-Shutter Damper

Aluminum Airfoil Blade Grille - Vertical Fixed Blade 908-40X46 Step Down Ceiling Diffuser Extruded aluminum surface mount frameStandard Features * Extruded . 055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 908 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