40W Solar-Dachventilator

40W Solar Attic FanPatent products, protected by the government of the People's Republic of China, including it's function, design and trademark. Any kinds of infringement or imitation can not be tolerated.Efficient air change rate secures 1,280CFM or higher . Anti-UV, stainless, durable material and finishing.24 hours constantly operating.1. Solar Panel- The latest "state of the art" circuitry captures sunlight even on overcast days. Totally weatherproof, our panels are designed for optimum efficiency and are resistant to hail and extreme weather.2. Cover & Base- Molded with UV-stabilizedsteel to prevent damage from sunlight. The top has a shingled appearance that helps the unit blend in with the roof while also providing additional stability and strength.3. Fan Blade- Specially designed 4-blade, 12'' nylon fan is pitched for maximum air flow. It operates "whisper quiet" with no harmonic noise4. Steel Screen- Allows maximum air flow while keeping animals out.5. Mounting Hardware- Stainless steel motor brackets and vertical standoffs provide a flexible and adjustable frame for easy removal or replacementAdvantage:We use the new MTTP controller with international top level which researched and produced by ourslef, it makes the 40w attic fan get more efficiency.Customized services for logo, color, packing, installation manual. For more details please consult withour sales engineer.Note: Inquiries from Chinese buyers are not acceptable, please kindly notice.