40 Watt 2040 Cfm Black Solar Powered Attic Fan for Roof Air Ventilation Without Electric Power

40 Watt 2040 Cfm Black Solar Powered Attic Fan for Roof Air Ventilation Without Electric Power. 100% Solar Powered: Zero electricity cost with high-efficiency monocrystalline solar panels. Brushless DC Motor: Low noise operation (45 dB) with a service life of up to 30,000 hours. High Air Volume: Delivers up to 2040 CFM ventilation to keep indoor air fresh. Durable Construction: Hot-dip galvanized steel base with SUS304 fasteners for strong corrosion resistance. Long Solar Panel Life: Monocrystalline silicon panels offer a lifespan of up to 25 years. OEM Color Available: Customized coating color options available for the polymer epoxy resin powder coating. 2-Year Motor Warranty: Comprehensive 2-year warranty coverage for the DC brushless motor. 5-Year Base Warranty: Extended 5-year warranty protection for the base and hood housing.