Aluminum Door Grille 4000-30X30 Finish:Designer Color - Aluminum Paint 2x4 T-Bar (20" x 44"

2x4 T-Bar (20" x 44" duct)

Standard Features * Adjustable curved blade

stair risers

055 T6 extruded aluminum * Square collar * For 22"x22" square duct * Soft White Options * 915 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 14" Duct Opening (front blades parallel to shortest dimension)

Aluminum Door Grille 4000-30X30 Finish:Designer Color - Aluminum Paint 2x4 T-Bar (20" x 44"Standard Features * 4000 door core grille with single frame * 4100 door core grille with additional loose frame * . 060 T6 extruded aluminum construction * Completely vision proof * High air capacities * Will accommodate door thickness ranging from 1 1 4" to 2 1 4" * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Driftwood Tan Options * 1310 Series stainless steel door grille * Tamper proof screws *