艾特负压风扇-F系列(玻璃钢) 的主要优点
1. FRP玻璃钢材质，具有耐腐蚀、抗酸碱的特性，同时大降低了金属的共鸣，延长使用寿命；
2. 机翼式设计铝铸风叶，其排风功效比冲压成型的铁制风叶高出许多；
3. 配备高性能PK多V皮带，避免运转时滑落及噪音问题；
4. 铸铝风叶与玻璃钢外框提供终身保修；
5. 每小时用0.75~1度电，排风量为40000~45000M3，排风性能是
经权威的美国空气运动和控制协会（AMCA）测试鉴定；
6. 完全密封型高效率的电机能适用各种场所；
7. 烤漆保护网更耐用且易于清洁；
8. 独有新型马达/轴承支撑将空气阻力降低到最低，还提供4方位的牢固支撑。
1. made of FRP, corrosion-resistant and anti-acid&, avoid the resonance, extend life span;
2. Cast-aluminum blade, airfoil design propellers tip move more air than stamped steel blades.
3. with high-performance V style PK-belts, avoid slippage and noise problem.
4. Lifetime warranty on propeller and housing.
5. 0.75 ~ 1 power, fan output is 40000~450000 M3 Certified CFM/Watt air performance ratings authorized by Air Movement and Control Association (AMCA) in USA.
6. High-efficiency capacitor-start/capacitor-run motors are totally enclosed for protection from the environment.
7. Powder coated guards are durable and easy to clean.
8. Exclusive motor/bearing supports are streamlined for minimal air resistance while providing solid 4-way support;