... tradictional water makers, how ever, the output capacity would be smaller than tradicitonal 1 stage water ... maker. or with same capacity output , SW-IIS would be double or ... customer demandSW-IIS series water maker covered small capacity from 300 Liter per day to 1200 ... corrosion-resistant, ultra reliable, high-performance.2,Small size, low weight, easy to operating, installation ...