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LifeStraw Peak Series Solo
7.8/10 Good
LifeStraw Peak Series Solo review. 1.7 oz ultralight, 2,000-liter life, backflushable. Is this $25 squeeze filter the best value for backpacking and hiking?
$22
Check Price on Amazon $25
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Last updated: 2026-04-08
Score Breakdown
Portability 9.5/10
Value 9.0/10
Features 7.0/10
Build Quality 7.0/10
Pros & Cons
What We Like
- Best budget option at only $25 MSRP
- Incredibly light at just 1.7 oz with squeeze flask
- Collapsible flask packs flat when empty
- Backflushable to restore flow rate
- 2,000-liter filter life is solid for the price
Watch Out For
- 0.2 micron pore size is less fine than 0.1 micron competitors
- Does not remove viruses, chemicals, or heavy metals
- Soft flask feels flimsy compared to Sawyer pouches
- Newer product with less long-term durability data
- Flow rate drops faster than Sawyer in silty water
Full Specifications
| Filter Type | hollow fiber membrane |
| Weight Oz | 1.7 |
| Capacity Oz | 21 |
| Flow Rate | 2 L/min |
| Filter Life Gallons | 528 |
| Filter Life Liters | 2000 |
| Pore Size | 0.2 micron |
| Contaminants Removed | bacteria, protozoa, microplastics, sand, dirt, silt, cloudiness |
| Requires Power | false |
| Virus Removal | false |
| Bpa Free | true |
| Collapsible | true |
| Backflush Capable | true |
| Flask Material | BPA-free soft flask |
| Operating Temp | above freezing |
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