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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
remove the two center cones as a unit and reposition the six screws
Tool operated Opposed Blade Damper
2x4 T-Bar (20" x 44" duct)
BD - field installable Bowtie Damper (available on even sizes 6"-14")
Aluminum Door Grille 4000-32X28 T-Bar remove the two center conesStandard 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 *
