... 380v/400v 5 Please call us for the detailed parametersFSR125 water treatment blowerKey Features 1, the product line using clover-type ... . 3, hardened by high-precision synchronous drive gear, importedbearings, equipment, long life, low noise. 4, high precision rotor dynamic ... is not oil. No oil lubrication the internalchassis, and used to avoid bearing, gear oil mixed with chassisstructural design. ...