Mtrzd Damper, For Fan Dia. 12", 100-240V, DAYTON, Mfr# 3HHP4

15 In.H-W 12 In.L Squ Alu Motrzd Contrl Damper, For Nominal Duct Diameter Not Applicable, Damper Application Motorized, Number of Panels 1, Overall Height 15 in, Overall Length 12 in, Rough Opening Shape Square, For Duct Shape Square, Overall Width 15 in, Frame Material Thickness 0.1 in, Blade Material Aluminum, Maximum Air Pressure 4 in wg, Overall Diameter 15 in, Rough Opening Length 13 in, Rough Opening Width 13 in, Damper Type Dynamic, Maximum Air Velocity 3500 fpm