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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Countersunk mounting holes with color matching Phillips Pozidriv screws
Lever operated multi-shutter damper
855 Series Engineering/Performance Data
NGD - Narrow ceiling grid dimples for 9/16" T-Rails
Galvanized Finish
Aluminum Door Grille 4000-32X12 Accessories Countersunk mounting holes with colorStandard 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 *
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