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Master Flow
16-1/2-Inch X 16-1/2-Inch Rough Opening White Aluminum Power Vent Automatic Shutter
- Mfg.#
- SGM20
- Sku#
- 4036976
- Use with all gable-mount power attic vents
- Moving air opens the louvers only when the power vent is operating
- When vent is off, shutter helps in preventing infiltration of rain, snow, insects and many more
- Maintenance-free white aluminum construction
* Estimated stock levels as of Wed, Apr 1, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
AUTOMATIC SHUTTER Size In=19-1/4 x 19-1/4
Specifications
General
Dimensions
| Height | 20.5 in |
|---|---|
| Length | 3.25 in |
| Weight | 4 lb |
| Width | 19.5 in |
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Master Flow
16-1/2-Inch X 16-1/2-Inch Rough Opening White Aluminum Power Vent Automatic Shutter