==Suitable conditions==
{{procontable | proborder="1" cellpadding="5" cellspacing="0" align="center"|-! width="50%" style="background:#efefef;" | Advantages! style="background:#ffdead;" | Disadvantages|-| valign="top" | - High acceptance by user <br>
- Simple operation <br>
- Low frequency of maintenance<br>
- In field training and/or training manual are available by request to Water4life <br>
- Provide safe storage <br>
| convalign= "top" | - From surveys it appeared that users do not clean or clean the lower reservoir in a wrong manner. Consequently bacteria can again grow and multiply in the clean water and recontaminate it. <br>
- No reliable means to check the water quality, especially in regards to the end of life of the product which could cause the consumption of unsafe drinking water. <br>
- Several hours of waiting time until clean water is available. <br>
- Silver release on ppb level; <50 ppb Ag <br>
- Low flow rate; but if it could be filled before going to sleep, there will be 8 litres of water. And if filled 3 times a day, it could produce 24 litres enough for family consumption. <br>
|}}
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