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


Price:
Sale price$61.15

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:

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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