Aluminum Door Grille 4000-30X20 Finish:Designer Color - Storm Gray smooth style * 360 air

smooth style * 360 air diffusion * Excellent for variable air volume applications * Hinged-down core for easy access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"

Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets

Adjustable aluminum curved blades

Satin polished finish

3 or 4 way patterns * Spring push release for easy access to adjust pattern controllers * Round No Labor Collar sizes: 6-10"

Aluminum Door Grille 4000-30X20 Finish:Designer Color - Storm Gray smooth style * 360 airStandard 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 *