Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 905-48X8 past 12 months 12 & 14" * Mill

12 & 14" * Mill finish

Spiral pipe diameter must be 4” larger than the width of the grille

All steel construction

055 T6) surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of airfoil blades * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Single deflection diffuser with adjustable airfoil blades * Airfoil blades are parallel to longest dimension * Allows 2-way air deflection on one plane * Soft White Options * 901 O - with recessed screwdriver operated opposed blade damper * 1331 and 1332 Series - stainless steel single deflection * Fractional

Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 905-48X8 past 12 months 12 & 14" * MillStandard Features * Extruded . 055 T6 aluminum surface mount return air grille * 45 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 905 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