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12" Backdraft Damper / Wall Shutter, 12-1/2" x 12-1/2" Opening Required close
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12" Backdraft Damper / Wall Shutter, 12-1/2" x 12-1/2" Opening Required

Price $68.45 / each

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  • Item # 4FZH3
  • Mfr. Model # 4FZH3
  • UNSPSC # 30151801
  • Catalog Page # 4103
  • Shipping Weight 3.94 lbs.
Country of Origin USACountry 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

Technical Specs

  • ItemBackdraft Damper / Wall Shutter
  • Fits Fan Dia.12"
  • Overall Square15"
  • Opening Required12-1/2" x 12-1/2"
  • Frame Depth3"
  • Open Depth6-1/4"
  • Flange Width1-1/2"
  • Mounting Hole SizePrepunched
  • Free Area0.786 sq.ft.
  • Max. Velocity3000 FPM
  • Mounting PositionVertical
  • Blade MaterialMill Finish Extruded Aluminum
  • Construction MaterialMill Finish Extruded Aluminum Frame and Stainless Steel Tie Rods
  • For Use WithVertical Mounted Exhaust Fans
  • Number of Panels1
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Compliance and Restrictions



High Velocity Single- and Double-Panel Exhaust Shutters

• Exhaust only Mount: vertical Max. velocity: 3000 FPM 1-1/2" flange
Designed to prevent air backflow in high-velocity applications when the fan is off. Mill-finish extruded aluminum frame and louvers with stainless steel tie rods and fasteners provide strength, durability, and long-lasting corrosion resistance. Prepunched mounting holes; installation hardware not included.

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