... .Passed ISO9000 certification 5. low niose Product types:(1)Roots Blower:MFSR40, MFSR50, MFSR65, MFSR80, MFSR100, MFSR125, MFSR125-1, ... /min Pressure: 9.8kpa-73.5kpa(3)High-Pressure Roots Blower: MFSR50H, MFSR65H, MFSR80H, MFSR100H, MFSR125H, MFSR150H, MFSR175H, MFSR200H, ... .9. Advanced technology and accessory, we introduced advanced blower manufacture technology from Japan and many of our accessories ...