Master Flow Green Machine High-Power Solar - Dual Powered Roof Vent 900 CFM New Hampshire No battery back-up - runs

No battery back-up - runs ONLY when panel is in direct sunlight

Provides great sound control

It features a shock absorbing design that helps to reduce the impact of falls

and works with your existing intake vents to help lower the temperature in your attic

Includes a convenient storage bag for easy transport and storage

Master Flow Green Machine High-Power Solar - Dual Powered Roof Vent 900 CFM New Hampshire No battery back-up - runsThe Master Flow Solar Electric Roof Mount Exhaust Fan cools your home with an energy efficient motor. It features an adjustable thermostat, a low profile design and dual power technology, so it can run on solar or house power. Browse Other GAF Solar Powered Roof Vents Master Flow Solar Powered Roof Vent 500 CFM The GAF Master Flow 15 Watt Solar Powered Roof Mount Attic Fan will help remove excess heat and moisture from your attic to protect your