Water

Water Filter Straw, Mini Survival Water Purifier, 2, 3 or 4 Pack, Hiking and Camping

This is a mini water filter straw, the smallest format a personal filter comes in: a short ABS tube you put straight into the water and drink through. There is no pump, no bottle to fill and nothing to charge. It is sold in packs of two, three or four, so you can put one in a day pack, one in the car and one in a drawer without buying four separately.

• Packs of two, three or four straws
• ABS body, listed by the supplier as dispenser type
• Short straw format, the most compact personal filter shape
• Drawn by mouth, so no pump, batteries or charging
• Small enough to sit in a pocket of a day pack permanently
• The supplier does not publish a micron rating for this filter, so we do not quote one

What we can and cannot tell you about the filtration

We would rather be straight with you here than fill the gap with a number. The supplier publishes the material and the container type for this straw and nothing about the element: no micron rating, no stage count, no filter life and no lab testing. So we are not going to tell you what it strains out, because we do not have a source for it. If a verified filtration rating is what decides your purchase, buy a filter that publishes one. If you want a very compact straw to keep in a pack as a backup, and you treat water you are unsure of by boiling it as well, this is a cheap way to have one in every bag.

Why the mini format exists

A full size filter with a pump or a squeeze pouch does a better job and takes up real room. A mini straw does less, but it is small enough that you stop thinking about whether to bring it. That is the whole argument for it. The people who get value out of these are the ones who want a filter in the glovebox, the hiking pack, the kid's school bag and the emergency box, where the alternative is having nothing at all in that bag.

How you use it

Put the intake end into the water and draw through the mouthpiece like a thick straw. The first pulls are harder while the element wets through, then it eases. It will draw from a stream, a lake, or a bottle you filled earlier. Blow back through the mouthpiece when the flow slows to clear the element, and let it dry fully before it goes back in the pack.

Specifications

• Material: ABS
• Container type: Dispenser, per the supplier
• Pack options: 2, 3 or 4 straws
• Power: None, drawn by mouth
• Micron rating: Not published by the supplier
• Filtration stages: Not published by the supplier
• Filter life: Not published by the supplier

Looking after it, and when to be careful

Blow back through the mouthpiece after use, then dry it completely before storing, since a damp filter put away in a bag grows things. Keep it from freezing with water inside, because ice can split an element without leaving any sign you can see. Do not draw through heavy silt or salt water. Given that no filtration rating is published for this straw, treat water from a source you have real doubts about by boiling it as well rather than relying on the straw alone.

Questions Shoppers Ask

What micron rating does it filter to?
The supplier does not publish one, and we are not going to invent a figure. If a verified rating matters to you, choose a filter that states it.

How many straws come in a pack?
Two, three or four, depending on the option you pick.

Does it remove bacteria or viruses?
We cannot tell you, because no filtration data is published for this straw. Do not rely on it alone for water you have real doubts about.

Do I need batteries or a pump?
No. You draw the water through by mouth and nothing else is needed.

How long does one straw last?
No filter life is published. Replace a straw when the flow stays slow after you have back-flushed it.

Can I drink out of a stream with it?
That is the format's purpose. Put the intake end in the water and draw through the mouthpiece.

Will it work on salt water?
No. Filters strain out particles, they do not remove dissolved salt.

What is it made of?
ABS. The supplier lists the container type as dispenser.

How long is each straw?
The length is not published. The photos are the best guide to the size.

Why is this cheaper than a named filter?
It is a basic mini straw with no published performance data behind it. That is the trade you are making, and it is why we have said so plainly.

How do I clean it?
Blow back through the mouthpiece to flush the element, then dry it fully before packing it away.