Personal Outdoor Water Filter Straw

Price facts

• Lowest price today: $6.29 at Walmart (checked Nov 10, 2026).
• Checked at 2 stores.

Our take on the Personal Outdoor Water Filter Straw

This is a single-piece personal filter straw in the LifeStraw style: you drink straight through it from a lake, stream or tap and a hollow-fiber membrane inside traps sediment, protozoa and bacteria. It is a bare-bones item with no bottle, no pump and no hose, so it competes on simplicity rather than features. That makes it a light backup for a daypack or emergency kit, but it lacks the flow rate, capacity and third-party certification claims of name-brand straws. Buyers should treat the brand's filtration claims with caution and check the stated pore size and filter life before relying on it as a primary water source.

Personal Outdoor Water Filter Straw prices at every store

Personal Outdoor Water Filter Straw price history

Lowest price we've seen: $10.11 on Nov 10 at Amazon. Tracked across 1 store since Nov 10.

Questions and answers

What does this filter actually remove?

The hollow-fiber membrane is designed to stop sediment, microplastics, protozoa and bacteria. It does not remove viruses, dissolved chemicals, salt or heavy metals, so treat questionable water by other means too.

How do I clean and reuse it?

Backflush it with clean water after each trip, following the maker's instructions, and let it dry before storage. Flow slows as the fibers load up, and a heavily used straw eventually needs replacing.

Can I use it straight from a stream?

Yes. You put the mouthpiece to your lips and the intake end in the water, then sip. Avoid silty or muddy water, which clogs the membrane quickly.

Does it fit a water bottle or bladder?

Not reliably. It is a standalone straw, so unless the tip matches your bottle opening you drink from the source or squeeze water into a container first.

Is it a substitute for a pump or gravity filter?

For one person on short trips, yes. For groups or large volumes, a pump or gravity system is faster and less tiring to use.

How long does one straw last?

Filter life depends on water quality and use, and this brand gives no clear figure. Replace it when flow stays weak after backflushing or the housing is damaged.

Where is the Personal Outdoor Water Filter Straw cheapest?

At Walmart, for $6.29, as of our latest check.

Where can I buy the Personal Outdoor Water Filter Straw?

2 stores we checked sell it, including Amazon, Walmart.

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