20" Gravity Shutter for Exhaust Fan Wall Mount Aluminum Blades Backdraft Damper

Description

Gravity Shutter for 20" Exhaust Fans
Opening Required: 20-1/2" x 20-1/2"
Overall Size: 23" x 23"
This model is a rear flanged low velocity gravity exhaust shutter. The frame is galvanized steel with mill finish aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Ideal for use with direct-drive or belt-driven exhaust fans. Recommended for vertical mount exhaust applications only.
Do not use with vaneaxial or tubeaxial fans.
Shutter Mounting Position
: Vertical
Mounting Hole Size
: Prepunched
For Use With
: Vertical Mounted Exhaust Fans
Shutter Free Area
: 2.289 sq. ft.
Fits Fan Dia.
: 20"
Frame Opening A
: 20"
Item
: Backdraft Damper / Wall Shutter
Blade Material
: Mill Finish Aluminum
Max. Velocity
: 2000 fpm
Frame Opening B
: 20"
Number of Panels
: 1
Shutter Construction Material
: G-90 Galvanized Steel Frame and Tie Rods
Shutter Overall Size
: 23" x 23"
Frame Depth
: 2-1/4"
Shutter Mounting Location
: Wall
Shutter Opening Required
: 20-1/2" x 20-1/2"
Flange Width
: 1-1/2"
Open Depth
: 6-1/4"
Shutter Item
: Backdraft Damper / Wall Shutter
Country of Origin (subject to change)
: United States
We ship anywhere within the continental United States only. We use UPS, FedEx, USPS, or another common carrier that provides the fastest delivery to your location. If you ordered two or more items, you may receive them in multiple boxes on different days, due to varying availability and shipping locations. We don't charge extra shipping for split shipments.
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