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/*
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