Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-28X34 Step Down Ceiling Diffuser inner dimension and outside dimension

inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color

4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation

904 - Double Deflection Adjustable Aluminum Blade Grille For a 38" x 18" Duct Opening (front blades parallel to shortest dimension)

Standard Features * Lightweight Aluminum vent louver * Able to withstand wet and corrosive environments * Spring clip mounting * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product

PERFORMANCE DATA FGAD Series Engineering/Performance Data

Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-28X34 Step Down Ceiling Diffuser inner dimension and outside dimensionStandard Features * Extruded . 055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 907 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