... 380v/400v 5 Please call us for the detailed parametersFSR65 industrial roots blowerKey Features 1, the product line using clover ... and improve efficiency. 3, hardened by high-precision synchronous drive gear, importedbearings, equipment, long life, low noise. 4, high ... oil lubrication the internalchassis, and used to avoid bearing, gear oil mixed with chassisstructural design. Output of air cleaning, ...