Aluminum Door Grille 4000-28X26 Finish:Designer Color - Bronze Standard Features * Field installable

Standard Features * Field installable butterfly damper * Available in sizes 6

904 - Double Deflection Adjustable Aluminum Blade Grille For a 34" x 18" Duct Opening (front blades parallel to shortest dimension)

Tool Operated Opposed Blade Damper

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

Aluminum Door Grille 4000-28X26 Finish:Designer Color - Bronze Standard Features * Field installableStandard 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 *