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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Zinc plated steel closure spring
Standard Features * Cones are one-piece stamped construction providing a clean
Countersunk mounting holes for flush appearance with stainless sheet metal screws
Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system
22 gauge butterfly style galvanized steel blades
Aluminum Door Grille 4100-34X32 Step Down Ceiling Diffuser Zinc plated steel closure springStandard 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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