Steel Blade Grille - Horizontal Fixed Blade 936-18X6 past 12 months Standard Features * Universal Collars

Standard Features * Universal Collars for T-bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 18" Duct Opening (front blades parallel to shortest dimension)

contour molded fiberglass back with a foil barrier backing

2 position adjustment for heating and cooling seasons

Steel Blade Grille - Horizontal Fixed Blade 936-18X6 past 12 months Standard Features * Universal CollarsStandard Features *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 * 936 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