Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 905-18X30 Commercial Standard Features * Step down

Standard Features * Step down core design allowing for uniform air distribution * Four way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft white Options * 100 - diffuser only (no damper) * 100 D - diffuser with steel multi-shutter damper * 100 O - diffuser with steel lever operated opposed blade damper * No Labor Collar * Standard Color or Designer Color Finish available on this product

055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 600 O - opposed blade damper * No Labor Collar - Square to round (square sizes only) * 600 T - T-Bar mount * 1/2" x 1/2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes

Countersunk mounting holes for flush appearance with color matching Phillips posi- drive screws

inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 14" Duct Opening (front blades parallel to shortest dimension)

Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 905-18X30 Commercial Standard Features * Step downStandard 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