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 PowerSolar attic fans are ventilation devices that use solar panels to convert solar energy into electricity and drive motors. It can maintain the air circulation in the house and effectively ventilate it.· Solar attic fans are mainly composed of solar panels, brushless DC motors, fan blades, air ducts and bases.· Solar attic fans keep fresh air circulating in the room.· DC brushless motor, low noise and long service life.· High-efficiency monocrystalline solar panels with a lifespan of up to 25 years.· The air duct and base are made of hot-dip galvanized steel, and the surface is sprayed with epoxy resin coating, which     has strong corrosion resistance.· Using SUS304 fasteners, it has good corrosion resistance and long-lasting stability.· Optional power adapter, intelligently control the operation of the fan, to meet the ventilation needs of different periods.100% SolarNo running costsEnergy saving &environmental protectionDC Brushless MotorLow noiseLong service lifeMonocrystalline Solar PanelHigh efficiencyBeautiful & efficientAir Volume Up To 2040CFMMeet the ventilation needs of different housesKeep the indoor air freshModelSFM-F40Wattage(watts)40  WattVoltage(volts)24  VoltsSolar CellsMonocrystalline SiliconSolar Panel Service life25  yearsSolar PV Panel AngleNot AdjustableFan Blade MaterialAluminum AlloyAir Duct365mm/14 inchMotorBrushless DC MotorRotating Speed1850  rpmDC Motor Service life30000  HoursDC Motor Warranty2  yearsBracket MarterialStainless SteelBracket Thicknessδ2.0mm Base / Hood Housing MaterialHot   Dip Galvanized SteelBase / Hood Housing Thicknessδ1.2mm Base / Hood Housing Warranty5   yearsProtective Net MaterialSUS   304Screw MaterialSUS   304Surface   CoatingPolymer   Epoxy Resin Powder CoatingCoating ColorBlack, OEMVentilation3468CMH   / 2040CFMWorking Noise45   dBHost size558*558*205mm   (22*22*8 inch)Package size575*575*230mm   (22.5*22.5*9inch)Weight/Volume13.5KG / 0.075CBM   (30.0lb / 2.8ft³)Container load400PCS   / 20GP  900PCS / 40HQ       Since 1st-sunflower entered the field of solar energy product production in 1998, it has accumulated profound professional knowledge, good R&D and production skills in solar energy products and green environmental protection products. Therefore, we have excellent product design capabilities and can provide customers with fast solutions and support services.    1st-sunflower aims to provide comprehensive innovative, sustainable solutions for pollution-free solar products, comprehensive utilization of solar energy, and health & sports, including design, manufacture and delivery. The product range includes solar water heaters, solar collector projects, solar power generation systems, solar fans and solar air conditioners, actively practicing the corporate mission we have always advocated-providing customers with a comfortable low-carbon, natural and healthy lifestyle.LogisticsPick up/delivery to designated locationAfter-sales technical service1.Provide telephone/video online installation technical guidance2.Provide installation solutions3.Provide brand marketing consultation/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1