Meet the Master Flow Solar Powered Gable Vent 500 CFM — a sun-powered attic fan designed for effortless cooling without wiring. It’s ideal for attics up to 800 sq ft and proves you can beat heat with nothing but sunlight and a little clever engineering.

Key Features & Design

• Airflow up to 685 CFM — ideal for attics up to 800 sq. ft.
• Included solar panel is 15-W with a 10-ft. cable and tilt-face, so you can install it right in sunlight to power the fan.
• No wiring required - uses no electricity.
• ETL listed.
• Solar powered, operates only in direct sunlight.
• No battery back-up - runs only when panel is in direct sunlight.
• Environmentally-friendly solar operation.
• Works with your existing intake vents to help lower the temperature in your attic.

The Solar Powered fan helps remove excess heat and moisture from your attic to protect your roofing system from premature deterioration. With a simple, wiring-free setup, you’ll enjoy cooler attic spaces and reduced heat transfer to the living areas below—all powered by the sun and ready when you are.