"Air Purifier Fan" is a new gas source generation equipment, high strength, high quality aluminum alloy material fatigue as the main material, it has a compact structure, small size and light weight, vortex pump motor for direct-coupled, "Air Purifier Fan" does not require any transmission mechanism, due to its simple structure, in the form of direct drive, so "Air Purifier Fan" also has a low noise, energy-consuming province, stable performance, easy maintenance, etc., and sent dry gas source , oil-free, low temperature, which is the other gas source generating device can not match.