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The LifeStraw Peak Series Collapsible Squeeze Bottle is a 650 ml soft flask with a hollow-fiber filter built into the cap. It removes bacteria, protozoa and microplastics as you squeeze, so you can drink straight from a stream, tap or hotel sink. It packs down flat when empty and weighs about 3 ounces, which makes it a light backup for day hikes and travel. Against pump filters and gravity systems it is simpler and faster, but it holds less water and needs a clean source rather than muddy puddles.
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Lowest price we've seen: $44.53 on Nov 10 at Scandinavian Outdoor. Tracked across 1 store since Nov 10.
Owners like the squeeze-and-drink simplicity and the packable weight, and many use it as a second filter alongside a larger bottle. Complaints center on the small volume, slower flow as the filter loads up, and the need to backflush after silty water.
