DAYTON 20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in 4FZH6

Description

Item
: Backdraft Damper / Wall Shutter
Shutter Mounting Position
: Vertical
Shutter Mounting Location
: Wall
Shutter Construction Material
: Extruded Aluminum Frame and Stainless Steel Tie Rods
Shutter Free Area
: 2.281 sq ft
Shutter Opening Required
: 20-1/2 in x 20-1/2 in
Shutter Overall Size
: 23 in x 23 in
Fits Fan Dia.
: 20 in
Blade Material
: Mill Finish Extruded Aluminum
Max. Velocity
: 3000 fpm
Number of Panels
: 1
Shutter Overall Square
: 23" x 23"
Frame Depth
: 3 in
Frame Opening B
: 20 in
Frame Opening A
: 20 in
Mounting Hole Size
: Prepunched
For Use With
: Vertical Mounted Exhaust Fans
Shutter Item
: Backdraft Damper / Wall Shutter
Open Depth
: 6 1/4 in
Flange Width
: 1 1/2 in
Country of Origin (subject to change)
: United States
Description
Backdraft Damper / Wall Shutter, Fits Fan Dia. 20 in, Shutter Overall Size 23 in x 23 in, Shutter Construction Material Extruded Aluminum Frame and Stainless Steel Tie Rods, Shutter Opening Required 20-1/2 in x 20-1/2 in, Shutter Free Area 2.281 sq ft, Vertical Shutter Mounting Position, Shutter Mounting Location Wall, Frame Depth 3 in, Open Depth 6 1/4 in, Flange Width 1 1/2 in, Mounting Hole Size Prepunched, Max. Velocity 3000 FPM, Blade Material Mill Finish Extruded Aluminum