18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in


Price:
Sale price$70.03

Description

Backdraft Damper / Wall Shutter, Fits Fan Dia. 18 in, Shutter Overall Size 21 in x 21 in, Shutter Construction Material G-90 Galvanized Steel Frame and Tie Rods, Shutter Opening Required 18-1/2 in x 18-1/2 in, Shutter Free Area 2.051 sq ft, Vertical Shutter Mounting Position, Shutter Mounting Location Wall, Frame Depth 2 1/4 in, Open Depth 6 1/4 in, Flange Width 1 1/2 in, Mounting Hole Size Prepunched, Max. Velocity 2000 FPM, Blade Material Mill Finish Aluminum

Specifications

  • Mfr #: 2C521
  • Item: Backdraft Damper / Wall Shutter
  • Shutter Mounting Position: Vertical
  • Shutter Mounting Location: Wall
  • Shutter Construction Material: G-90 Galvanized Steel Frame and Tie Rods
  • Shutter Free Area: 2.051 sq ft
  • Shutter Opening Required: 18-1/2 in x 18-1/2 in
  • Shutter Overall Size: 21 in x 21 in
  • Fits Fan Dia.: 18 in
  • Blade Material: Mill Finish Aluminum
  • Max. Velocity: 2000 fpm
  • For Use With: Vertical Mounted Exhaust Fans
  • Mounting Hole Size: Prepunched
  • Open Depth: 6 1/4 in
  • Frame Opening A: 18 in
  • Frame Depth: 2 1/4 in
  • Number of Panels: 1
  • Flange Width: 1 1/2 in
  • Shutter Overall Square: 21" x 21"
  • Frame Opening B: 18 in
  • Shutter Item: Backdraft Damper / Wall Shutter

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