Purifying, softening, activation, sterilization, biochemistey and minerallization Features:1) Model: LW-JS20li2) Speed of water output: 0.2 - 0.3L/min3) Main filter amblent total amount of filtrate: 3,000 - 5,000L4) Front filter core once amount of filtrate: 200 - 300L5) Operating ambient : normal temperature and normal pressure6) Total cubage: 20L7) Sanitation standard: GB5749-85 Water Purifier