KVM Tools 4C556 12 in Backdraft Damper / Wall Shutter, 12-1/2 in x 12-1/2 in 10D912 For Use With Duplicating or

For Use With Duplicating or Tracing Masters

Tool Weight 25

Drain Included Yes

Grade 18-8

Smooth Shank

KVM Tools 4C556 12 in Backdraft Damper / Wall Shutter, 12-1/2 in x 12-1/2 in 10D912 For Use With Duplicating or15 In. H W 5. 75 In. L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 15 in, Rough Opening Diameter 12 1 2 in, Rough Opening Shape Square, Fits Fan Diameter 12 in, For Duct Shape Not Applicable, Free Area 0. 8 sq ft, Overall Width 15 in, Frame Material Thickness 0. 8 in, Overall Length 5 3 4 in, Connection Type