Aluminum Door Grille 4100-22X18 Residential Registers & Grilles T-Bar Modular Core Diffuser with

T-Bar Modular Core Diffuser with Round Collar 18-20

904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)

Install with louvers in up or down position for best duct concealment

Standard Features * Return air T-Bar lay-in filter grille for 20" x 20" duct * Removable louvered 20 gauge steel face * 20" x 20" x 1" filter (not included) * Square collar (20x20) * 2x2 panel * Seismic support holes * Soft White Options * Square to round No Labor Collar

Standard Features * Airflow can be adjusted to 1

Aluminum Door Grille 4100-22X18 Residential Registers & Grilles T-Bar Modular Core Diffuser withStandard 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 *