本系列风机由外转子异步电动机、配以金属或塑料后弯式叶轮组成，该风机使用时无需蜗壳，配以适当的导风圈。具有结构紧凑、重量轻、风量大、噪声低和安装方便等特点。适合使用于各种地面设备、自动装置、电子设备等强迫通风散热、净化、空调、厨房设备、建筑物排气和环境保护、防止空气污染等场合。
The fans is consist of AC induction motor with external rotor and metal or plastic backward curved impeller, and hasthe following features: compact construction, light weight, high air flow, low noise&.vibration and easy mounting etc. The FLW fans are widely used in ground-based electronic equipment, automatic control equipment, air purification, kitchen equipment, building exhausting, environment controlling, pollution air protection etc.
