Aluminum Door Grille 4100-22X8 Finish:Designer Color - Aluminum Paint Flush core and frame provides

Flush core and frame provides smooth surface

linkage and handle enclosed in valve to assure trouble-free operation

Reinforced welded core and extra supports for heavy duty application

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

Standard Features * T-Bar lay-in panel with hinged perforated face * Galvaneal steel 2x2 panel with seismic hangers * Spring push release for removal of perforated face * Round No Labor Collar sizes: 6-10"

Aluminum Door Grille 4100-22X8 Finish:Designer Color - Aluminum Paint Flush core and frame providesStandard 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 *