18" Backdraft Damper / Wall Shutter, 18-1/2" X 18-1/2" Opening Required

US $220

  • Akron, Ohio, United States
  • Jun 10th
Backdraft Damper / Wall Shutter, Fits Fan Dia. 18 In., Overall Square 21 In., Opening Required 18-1/2 In. x 18-1/2 In., Frame Depth 2-1/2 In., Open Depth 5-3/4 In., Flange Width 1-1/2 In., Mounting Hole Size Prepunched, Free Area 2.043 sq.ft., Max. Velocity 2500 FPM, Vertical Mounting Position, Blade Material White Painted Aluminum, Extruded Aluminum Frame and G-90 Galvanized Tie Rod, For Use With Vertical Mounted Exhaust Fans, Number of Panels 1 Ref:8380/141

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