... :1pc/ctn, or 4pc/ctns Capacity: 20 L Working Pressure:0.2-0.3 pa 1pc/ctn: size, 38x19x55cm ... :FS20 Package:1pc/ctn, or 4pc/ctnsCapacity: 20 LWorking Pressure:0.2-0.3 pa1pc/ctn: size, 38x19x55cm4pcs/ctn: ... most advanced emission testing equipment, gas composition testing instrument, wind blowing machine testing system, three coordinate equipments,material experiment equipment, etc. pressure sprayer