... operation, no leakage and pollution and environment friendly. DescriptionZQ series is complete closed operation, no leakage and pollution and environment ... disassembling and assemblingDischarging residue by the way of air blowbackEasy cleaning and automatic filtration process.Technical ParameterFiltration Area(m2)Cylinder ... 10,15,25, 40,50,65,75, 80,100,120…… Self cleaning fluid filter(ZQ Series)