This solar power fan (800 cfm) has a 25" diameter metal dome. It ventilates up to 1200 square feet. Using solar light to operate, it comes on when the sun is up & shuts off when sunlight no longer reaches the panel. It must be facing to the west or south for best sun exposure. It has a 12 volt dc motor, 14-1/2" diameter opening, 3 bladed fan blade and needs 404 square inches of net free intake air.
- Solar powered
- Panel mounts separate
- Plastic screen will not rust or rattle