1.low noise blower 2.high efficiency 3energy saving blower machine 4high rising pressure pump 5.stable operation, long life 1. Low noise, ... . Widely used in many fields, especially in gas transportation, waste water treatment, aquaculture, pneumatic transport, vacuum packing, oxygen generation, etc. ... GaugeCommon BaseBlower PulleyMotor PulleyV-belt CoverV-beltLubricating oil waste water treatment pump