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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
1/2" spacing dual angular louvers
Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 10" Duct Opening (front blades parallel to shortest dimension)
Building materials rated 3 hours or less
Adjustable single deflection grille
Aluminum Door Grille 4100-22X6 Finish:Designer Color - Cement Gray 1/2" spacing dual angular louversStandard 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 *
