adjustable-speed 3-level attic air vent fan

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Some information about adjustable-speed 3-level attic air vent fan:

Product Type	Solar attic fan
Company Name	SUNNY INTERNATIONAL POWER LIMITED
Production experience	10+years
Place of Origin	China
OEM and ODM	Yes
Product Features	Quiet,Energy-saving,Intelligent,Economical and affordable,Environmentally friendly...
Power Source	Solar
Motor	Grade BLDC Motor
Application	Commercial,Factory building,Gymnasium,Warehouse,Livestock farm,Shopping mall...etc
Payment	L/C,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	88 * 29 * 86 According to container size, standard export package
Certificate	ISO9001....
Battery	lithium battery
Color	Black,White,Grey, and customized color
Port	Shenzhen,Guangzhou,HK...
Control Method	Intelligent control
Trading Country	North America,Europe,Southeast Asia,Kenya,Ghana,Portugal,Saudi Arabia,Spain,Chile,France...
Selling Units	Single item
Work Time	Day & night nonstop, sunny hours by solar panel, sunless periods by battery
After-sales Service	Online support