Bathroom Fan Details: 1. The series of Fans are based on high-tech plastic featuring anti-corrosion, anti-nutrient, noteasily faded, anti-vibrate, and heatproof. 2. They areproved to bepractical and energy saving with many times tests. 3. From market sales to see, they enjoy a good market in domestic and abroad. You need to require our Tech Department for detail technical datas!