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Damper Vert/Horiz Mtg 9 3/4 Sq
9.75 In.H-W 4.5 In.L Alu Univ Backdraft Dampr Damper Application Backdraft For Nominal Duct Diameter 10 in Frame Material Galvanized Steel Number of Panels 1 Maximum Air Velocity 2000 fpm Overall Height 9 3/4 in Rough Opening Diameter 10 in Rough Opening Shape Square Fits Fan Diameter 10 in For Duct Shape Square Free Area 0.4 sq ft Overall Width 9 3/4 in Frame Material Thickness 20 ga Overall Length 4 1/2 in Frame Depth 2 in Rough Opening Length 10 in Maximum Pressure 1 in wc
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9.75 In.H-W 4.5 In.L Alu Univ Backdraft Dampr Damper Application Backdraft For Nominal Duct Diameter 10 in Frame Material Galvanized Steel Number of Panels 1 Maximum Air Velocity 2000 fpm Overall Height 9 3/4 in Rough Opening Diameter 10 in Rough Opening Shape Square Fits Fan Diameter 10 in For Duct Shape Square Free Area 0.4 sq ft Overall Width 9 3/4 in Frame Material Thickness 20 ga Overall Length 4 1/2 in Frame Depth 2 in Rough Opening Length 10 in Maximum Pressure 1 in wc