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36" Backdraft Damper / Wall Shutter, 36-1/2" x 36-1/2" Opening Required close
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36" Backdraft Damper / Wall Shutter, 36-1/2" x 36-1/2" Opening Required


Price $130.80 / each

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  • Item # 4C521
  • Mfr. Model # 4C521
  • UNSPSC # 40101504
  • Catalog Page # 3665
  • Shipping Weight 19.0 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

This model is a rear flanged general purpose exhaust shutter. The blades have a galvanized steel reinforcement strip across the top of each blade for added strength and counter balancing efficiency. The blades also feature a felt seal on the leading edge for quiet closing and better protection from the weather. This shutter is ideal for use with direct-drive or belt-driven exhaust fans.

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Technical Specs

  • Item Backdraft Damper / Wall Shutter
  • Fits Fan Dia. 36"
  • Overall Square 39"
  • Opening Required 36-1/2" x 36-1/2"
  • Frame Depth 3"
  • Open Depth 6-1/4"
  • Flange Width 1-1/2"
  • Mounting Hole Size Prepunched
  • Free Area 7.436 sq.ft.
  • Max. Velocity 2500 FPM
  • Mounting Position Vertical
  • Blade Material Mill Finish Aluminum
  • Construction Material G-90 Galvanized Steel Frame and Tie Rods
  • For Use With Vertical Mounted Exhaust Fans
  • Number of Panels 1
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