1. TUPURO WATER PURIFIER will have a longer life span when clean regularly.

        2. Things to remember in cleaning:

• Open the cartridge and inspect filter element at least three to four days. the most is one week.
• Replace cotton inside the filter element when seen full of rust and other impurities of water. Replace new cotton at least every 3-4 days.
• Clean all parts with soap and water especially its holder, and filter element, to remove remaining dirt and bacteria. Do not clean inside of cartridge with soap, or anything.
• You can buy your new cartridge and filter elements in all leading supermarket and department stores.