Air Vent 53510 Solar Power Roof-Mount Attic Fan

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 Additional discounts apply for this item when purchased as Bulk.