Waterdrop Water Filter Straw, Portable Camping Filtration System, for Hiking, Travel, Survival and Emergency Preparedness

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Questions and Anwsers

What contaminants does the water filter straw reduce?

Waterdrop filter straw adopts a 0.1-micron hollow fiber membrane to reduce most of the harmful substances in water. It uses four-stage filtration, reducing contaminants—from large particles to extremely tiny particles effectively to ensure the safety of the water.

How many times can you use a straw water filter?

Waterdrop Filterstraw can provide safe drinking water up to 100,000 gallons. You can use it again after backwashing.

Can I use this filter straw to filter saline water?

No, the filter straw can be used to filter freshwater rather than saline water.

I have used the personal water filter straw only once and it no longer works, why?

If the straw is not cleaned up after use, the filter element will be blocked. It should be repeatedly backwashed to remove impurities on the surface of the ultrafiltration membrane.

Does this comes with a gravity water bag for raw water?

No, this set only includes a white water pouch for filtered water, if you also need a gravity water bag, please check WD-FSBUL or WD-GWB.