... MFSR50V, MFSR65V, MFSR80V, MFSR100V, MFSR125V, MFSR150V, MFSR175V, MFSR200V, MFSR250V, and MFSR300V. Capacity: 0.86m3/min-136.3m3/min Pressure: -1360mmAq ... three lobes roots blower 2.energy saving 3purify water and air and other pollutants efficiently 4.high efficiency 1. Low noise ... 11. The blower rotor is precision machined in its full surface, and since it is balanced precisely, it is almost without ...