The verdict
The Katadyn BeFree is the lightweight pick — fastest flow rate in a 2.3 oz package.
Strengths
- +2.3 oz — one of the lightest filters
- +Filters a liter as fast as you can drink it
- +Easy to clean by swishing
- +Compact
Watch-outs
- −Shorter lifespan than Sawyer
- −No backflush plunger
- −Flask leaks if punctured
How it compares
Lightest. Fastest flow. Shorter lifespan than Sawyer.
Who this is for
At a glance: trail runners and fast-and-light backpackers.
Why you’d buy the Katadyn BeFree
- 2.3 oz — one of the lightest filters.
- Filters a liter as fast as you can drink it.
- Easy to clean by swishing.
Why you’d skip it
- Shorter lifespan than Sawyer.
- No backflush plunger.
- Flask leaks if punctured.
Rating sources
Our 4.7 score is the average of these published ratings. More about methodology.
