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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
remove the two center cones as a unit and reposition the six screws
HVL Series Engineering/Performance Data
904 - Double Deflection Adjustable Aluminum Blade Grille For a 34" x 18" Duct Opening (front blades parallel to shortest dimension)
Available in 4" through 24" round
Standard Features * Steel honeycomb construction * Flush core and frame provides smooth surface * Free area equals more than 75% of nominal size * Driftwood Tan Options * Mounting holes for sidewall and ceiling application * 1600R - reinforced welded core and extra supports for heavy duty application * Standard Color
Aluminum Door Grille 4100-18X16 Accessories 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 *
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