3-speed adjustable roof vent fan

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Some information about 3-speed adjustable roof vent fan:

Product Type	Solar attic fan
Company Name	SUNNY INTERNATIONAL POWER LIMITED
Production experience	10+years
Place of Origin	Jiangmen,Guangdong,China
OEM and ODM	Acceptatble
Product Features	Quiet,Economical and affordable,Energy-saving,Environmentally friendly,Easy to use...
Power Source	Solar
Motor	Grade BLDC Motor
Application	Shed,Shopping mall,Livestock farm,Greenhouse,Gymnasium,Warehouse,Commercial...etc
Payment	T/T,Western Union,paypal...etc
Whole unit warranty	5 years(in condition of no acid nor alkali corrosive environment)
Designed lifespan	15 years+
Materials	Metal&Plastic
Packing	91 * 28 * 97 According to container size, standard export package
Certificate	ISO9001,CE....
Battery	lithium battery
Color	Blue,White,Grey, and customized color
Port	Shenzhen,Guangzhou,HK...
Control Method	Intelligent control
Trading Country	North America,Europe,Australia,Southeast Asia,Belgium,Chile,Portugal,Kenya,Kuwait,Tanzania,Thailand...
Selling Units	Single item
Work Time	Day & night nonstop, sunny hours by solar panel, sunless periods by battery
After-sales Service	Online support