Sawyer Squeeze vs Katadyn BeFree 1.0L: Weight, Flow and Which to Carry
How we did this: we compared what Sawyer and Katadyn publish on their own product pages (weight, what is included, filtration claims, flow, capacity, compatibility, price). We have not field-tested these filters.
The Sawyer Squeeze and the Katadyn BeFree are the two squeeze filters most thru-hikers choose between. Both use 0.1-micron hollow fiber and both stop bacteria and protozoa. The difference is what you carry around the filter: the BeFree is a light, fast, all-in-one flask; the Squeeze is a filter that fits almost any setup.
The verdict up front
Pick the Katadyn BeFree 1.0L if you want the lightest complete system and fast flow, and you are happy drinking from its flask. Pick the Sawyer Squeeze if you want one filter that threads onto ordinary bottles, works inline or as a gravity filter, and comes with a lifetime limited warranty.
| Spec | Sawyer Squeeze (SP129) | Katadyn BeFree 1.0L |
|---|---|---|
| Weight | Filter 3 oz (85 g); full kit 8.19 oz | 63 g (2.2 oz) with 1.0 L flask |
| In the box | Filter, 2 pouches, cleaning plunger and coupling, gravity tubing, inline adapters, mesh bag | Filter and 1.0 L soft flask |
| Pore size | 0.1 micron absolute | 0.1 micron |
| Removes (maker claim) | Bacteria, protozoa, cysts, sediment, microplastics | Bacteria, cysts, sediment |
| Viruses | No claim | No claim |
| Flow rate | Not published | Up to 2 L/min |
| Rated capacity | Not published; lifetime limited warranty | 1,000 L, depending on water quality |
| Fits | Its pouches, standard 28 mm bottle threads, inline and gravity setups | Its own soft flask |
| Cleaning | Backflush with the included plunger | Shake or swish the filter |
| Price | $45.99 | About $40 at US retailers (Katadyn lists no US price) |
Sources: Sawyer Squeeze product page, Katadyn BeFree 1.0L product page.
Sawyer Squeeze
- Threads onto standard 28 mm bottles
- Kit includes gravity tubing and inline adapters
- Backflush plunger in the box
- Lifetime limited warranty
- Filter alone is heavier than the whole BeFree system
- No published flow rate
- No virus protection
Sawyer lists the Squeeze filter at 3 oz and the full SP129 kit at 8.19 oz. The kit is two collapsible pouches, a cleaning plunger and coupling, gravity tubing, inline adapters for a hydration pack and a mesh bag. Most hikers leave some of that at home. Sawyer rates it to 0.1 micron absolute and says it removes 99.99999% of bacteria, plus protozoa, cysts, sediment and microplastics. Its biggest advantage is fit: it screws onto standard 28 mm bottle threads, so a cheap disposable bottle becomes your dirty-water container.
Check price →Katadyn BeFree 1.0L
- 63 g including the 1.0 L flask
- Up to 2 liters per minute
- Cleans by shaking, no tools
- Tied to its own flask
- Rated for 1,000 L, then replace the filter
- No virus protection
Katadyn lists the BeFree 1.0L at 63 g with its soft flask, rates the flow at up to 2 liters per minute and the filter at 1,000 liters, depending on water quality. The 0.1-micron hollow fiber removes bacteria, cysts and sediment. You clean it by shaking or swishing the filter in water, so there is nothing else to carry. The trade-off is that it is a system: the filter is made for its own flask, not for any bottle you pick up in town.
Check price →Which should you buy?
- Lightest carry, fast refills, drinking on the move: BeFree 1.0L.
- Bottles from town, a hydration bladder or a gravity setup at camp: Squeeze.
- A long trail where the filter has to last: Squeeze, for the lifetime warranty and backflushing. With a BeFree, budget for a replacement filter.
- Viruses a concern (some international travel, heavy human use): neither alone; add chemical treatment or UV.
FAQ
Is the Katadyn BeFree lighter than the Sawyer Squeeze?
Which filters faster?
Do either of them remove viruses?
Can I screw the BeFree onto a regular water bottle?
How long do they last?
What happens if the filter freezes?
Katadyn vs Sawyer: which brand's filter should I buy?
The bottom line
Both filters stop the same things. The BeFree wins on weight and flow; the Squeeze wins on flexibility and warranty. Choose by how you like to drink, not by the filter.
Related guides
Keep building your system with these closely related guides.
- Ultralight Water Treatment and Storage: The Complete Guide
- PCT Gear List: An Ultralight Kit Under 10 Pounds
- Appalachian Trail Gear List: An Ultralight Kit for a NOBO Thru-Hike
- Head-to-Head Comparisons
- Ultralight Cooking Systems: The Complete Reference Guide
- How to Plan Backpacking Food by Calories per Ounce
- SteriPEN Adventurer vs Katadyn Micropur: Speed vs Weight