Sawyer Squeeze.
0.1-micron hollow-fiber filter that weighs 3 oz and has become the default water filter for thru-hikers. Backflushable, virtually indestructible, and proven on every long trail.
The Verdict.
Gavler Meta-Score
“The default for a reason. 3 oz, $37, and proven on every long trail. Flow rate degrades with heavy use but backflushing extends life dramatically. The filter most experienced backpackers carry and recommend.”
The Gavler Verdict
Precision Engineering
0.1-Micron Hollow Fiber
Removes 99.99999% of bacteria and 99.9999% of protozoa — meets EPA microbiological purifier guidelines.
3 oz Filter Weight
Lightest credible water filter in production.
100,000 Gallon Rating
Effectively a lifetime of backpacking use — backflushing restores flow rate.
Technical Specifications
The Scoreboard
Highest combined editorial and community rating of any water filter. Minor deduction for flow rate degradation over time.
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Best Price Availability.
Prices checked April 2026
Price History
Lowest price in 30 days30-Day Low
$36.95
30-Day High
$36.95
Current
$36.95
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Global Critique
“The filter that every thru-hiker carries — and for good reason.”
“Best weight-to-performance ratio of any water filter on the market.”
“The Sawyer Squeeze is the community standard. Everything else is measured against it.”
“After 10,000+ trail miles of testing, the Sawyer Squeeze is a no-brainer for any backpacker, whether you're planning an overnight trip or a 2,000-mile thru-hike.”
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