Aluminum Door Grille 4000-20X14 Finish:Driftwood Tan Fits 1x1 ceiling grids (collar

Fits 1x1 ceiling grids (collar size 6"-10")

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 16" Duct Opening (front blades parallel to shortest dimension)

Ceramic fiber blade insulation with fiberglass cover*

Standard Features * T-Bar lay-in filter grille with steel removable perforated face * 3/16" holes on 1/4" staggered centers * 20" x 20" x 1" filter (not included) * Square collar for 20 x 20 duct * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * Square to round No Labor Collar

Collar sizes available in 6”–10”

Aluminum Door Grille 4000-20X14 Finish:Driftwood Tan Fits 1x1 ceiling grids (collarStandard 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 *