... 1. single inlet fan wheel 2. air purifier fans 12.5 inch blower wheel, plastic fan wheel impeller, centrifugal blower wheel ... good balance effect, the pressure coefficient is high, good material, durability and other characteristics, it is used in air conditioner, air cleaner system ... not hesitate to contact with us at any time. 12.5 inch blower wheel, plastic fan wheel impeller, centrifugal blower ...