Steel Blade Grille - Horizontal Fixed Blade 938-12X6 Step Down Ceiling Diffuser 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 6" Duct Opening  (front blades parallel to shortest dimension)

Louvers designed with rolled rib for maximum strength and rigidity

PERFORMANCE DATA FGAD Series Engineering/Performance Data

enclosed in valve to assure trouble-free operation

Holds up to 1" filter

Steel Blade Grille - Horizontal Fixed Blade 938-12X6 Step Down Ceiling Diffuser 904 - Double Deflection AdjustableStandard Features *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 * 938 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 version * Tamper proof screws