Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-48X10 Damper:Opposed Damper 450 Series Engineering/Performance Data

450 Series Engineering/Performance Data

UL listed and tested in accordance with UL Standard 555C

904 - Double Deflection Adjustable Aluminum Blade Grille For a 14" x 10" Duct Opening (front blades parallel to shortest dimension)

450 Series Submittal

One piece curved frame with gasket fits flush to spiral pipe

Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-48X10 Damper:Opposed Damper 450 Series Engineering/Performance DataStandard 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