AC external rotor motor powered forward-curved centrifugal fan series comes in two models: single-inlet and dual-inlet. Single-inlet products cover a diameter range from φ120 to φ250 mm, with maximum air volume up to 2,100 m3/h and maximum static pressure up to 525 Pa. Dual-inlet products cover a diameter range from φ120 to φ146 mm. This external rotor fan series has a compact structure, operates reliably and is both energy saving and efficient. It is designed with low noise, a long service life, and is easy to install.These products are widely used in air purification, household appliances, etc.