Master Flow 19.25 in. x 19.25 in. Square White Aluminum Automatic Shutter Gable Louver Vent

The GAF Master Flow automatic 20 in. Power Gable Vent Shutter is designed to be used with GAF Master Flow EGV/PG series electric gable fans. The shutter will open when the electric gable vent is operating. Constructed of white aluminum, that can be painted. Insect screen NOT included.

• Gable mount automatic shutter for use with power gable vents
• Use with Master Flow PG and EGV models
• Weather-resistant, aluminum construction can be painted