Master Flow®

Green Machine High-Power Solar Roof Vent - Dual-Powered Model

Switches automatically between solar and house power to help reduce excess heat and moisture during cloudy weather or at night
Green Machine™ High-Power Solar Roof Vent - Dual-Powered Model
Cools Your Attic
COOLS YOUR ATTIC
Exhausts heat and moisture from your attic space
Looks Great
LOOKS GREAT
Low-profile design with integral solar panel
No Hassle Operation
NO-HASSLE OPERATION
Automatically switches between solar power and house power

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