roots blower : 1dealing water, 2Wastewater Treatment, 3aeration tank, air transporting, 4mine, 1.ZYL series twin lobes roots blower performance data:Model:ZYL52-94WD Rotary ... electricity, flour, aquaculture, vacuum packaging and so on.3.roots blower application:1.underwater feed of pond2.used in printing machine ... ll give you the high quality with competitive price. waste water treatment roots blower