Master Flow®

Automatic Shutter for Power Gable Vents

Opens automatically when the vent is operating and helps prevent rain, snow, and insect infiltration when the vent is off
Automatic Shutter for Power Gable Vents
Versatile
VERSATILE
For use with virtually all gable-mounted power attic vents
Automatic
AUTOMATIC
Moving air opens the louvers only when the power vent is operating
Protection
PROTECTION
When vent is off, shutter helps prevent infiltration of rain, snow, insects, etc

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