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Your cart is empty.33 In.H-W 13.3 In.L Squ Alu Mtrzd Cntrl Dampr, For Nominal Duct Diameter Not Applicable, Damper Application Motorized, Number of Panels 1, Overall Height 33 in, Overall Length 13 1/4 in, Rough Opening Shape Square, For Duct Shape Square, Overall Width 33 in, Frame Material Thickness 0.1 in, Blade Material Aluminum, Maximum Air Pressure 4 in wg, Overall Diameter 33 in, Rough Opening Length 31 in, Rough Opening Width 31 in, Damper Type Dynamic, Maximum Air Velocity 3500 fpm
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