
14" Solar Attic Exhaust Fan for Home with Brushless DC Motor. 25-Year Solar Panel Lifespan: High-efficiency monocrystalline solar panels designed to last up to 25 years. 30,000-Hour Motor Life: DC brushless motor ensures long service life of 30,000 hours with low noise. 2040 CFM Air Volume: Delivers up to 2040 CFM ventilation to effectively maintain fresh air circulation. Corrosion Resistant Construction: Hot-dip galvanized steel with epoxy coating and SUS304 fasteners for durability. Adjustable Installation Frame: Adjustable bracket allows panel inclination adjustment for roofs with different slopes. 100% Solar Powered: Zero running costs with no electricity bills, utilizing solar energy exclusively. Optional Power Adapter: Intelligently controls fan operation to meet ventilation needs during different periods. OEM Service Available: Customization options available for specific customer requirements.