1. Use Polyiodides Activated carbon structure, pass Germany TUV SUD test, remove 99.999 percent harmful bacteria like colibacillus, legionella, salmonella. Keep your water safe.

2. Back flush design: Regularly blow air through Water straw after drinking to keep the filters clean and to prevent them from clogging.

3. Can be connected with water bag or bottles, it is convenient for many people.

1. Original water: Lake, river, brook, etc.

2. Flow rate: 300ml / min

3. Life: 800L

Note: The cleaning cylinder with scale / without scale will be sent randomly

4. Package weight: 0.1 kg

5. Product Dimension: 20*5*2.8cm