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BeFree Water Filtration System

4.624338624338624 out of 5 stars
189 Reviews
Current price: $33.71 Original price: $44.95
25% off
Color:One Color



Think of the possibilities.

Do you ever wish that you could drink from crystal clear creeks, alpine lakes, or mountain streams? Well, you can when you bring the Katadyn BeFree Water Filtration System on your next adventure. This compact water bottle with integrated filter makes a great choice for outdoor pursuits and travels to faraway places where tap water is suspect.

Instead of lugging around a bulky pack loaded with a full day's worth of water, just bring this lightweight and compact bottle along with you. Simply fill up the flask and let the EZ-Clean Membrane do all the work. It's effective against microorganisms and even suitable for cloudy water. And when it's not filled, the collapsible bottle packs up small so you can stash it in tight spaces.


  • A portable water filtration system for hiking and travel
  • EZ-Clean membrane filters out microorganisms and debris
  • Collapsible bottle packs up small for easy storage
  • Clean filter regularly to extend life of filter
  • Item #EXT000G
Purifying Element
EZ-Clean Membrane
EZ-Clean Membrane (hollow fiber filter)
Pore Size
0.1 micron
Cartridge Life
264gallons (1000liters)
0.6L (20oz), 1L (33oz)
Field Cleanable
9 x 2.75in
Claimed Weight

Overall Rating

4.5 based on 189 ratings

Review Summary

1 Stars - 5 reviews
2 Stars - 4 reviews
3 Stars - 7 reviews
4 Stars - 25 reviews
5 Stars - 148 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

May 23, 2024

Perfect for Fly Fishing

I got tired of carrying a water bottle in my sling pack - too heavy. My son, an avid fly fisher, recommended a water filtration bottle. I’ve used it a few times now and it works great. Doesn’t take up space and it weighs next to nothing. This will work for anyone looking to lighten their load.

Kenneth R

Originally reviewed on

5 out of 5 stars

May 11, 2024

Filters well and collapses for easy carry

The filter bottle is light and filters water when I’m hiking.

Laura P

Originally reviewed on

5 out of 5 stars

May 4, 2024

Best Trail Filter Option I Have Found

Great water filter. I use a liter bottle as a canteen when backpacking and my water filter is used to fill it when I need more. In that context, this is the best filter I have used. The flow rate is nice, I can keep the one liter bag full if I need extra water, and it packs up small. On my last trip, everyone was using my filter to make meals because their screw on tube style filters were too slow and a pain to screw on and off our water bags. Great versatile product!!

Eric S

Originally reviewed on

5 out of 5 stars

May 4, 2024


Used a few times on walks and trail runs, water comes out well and taste great.

Caleb K

Originally reviewed on

5 out of 5 stars

May 3, 2024

Easy to use, quick filter

I've done a video or two about this product, that kind of says it all. What I love about it is that it's pretty simple to use, and filters water fairly quickly. One tip or trick is to leave the filter parts soaking overnight in water at home before you use it on your next trip. Preferably, this is 24 hours prior. That way, the individual strands have a chance to separate, rehydrate, and perform better to filter out any particular it's in the Water Source you are obtaining water from. Once you screw the filter part back into the main water bag, it's a breeze to squeeze and get fresh water.

user image
Cooter M

Originally reviewed on

4 out of 5 stars

April 29, 2024

After a season using these in the alpine of Wyoming and Colorado, the BeFree has proven its worth. I use both the 0.6 and 1 L versions. They are light and filter faster than anything I’ve ever used before, huge benefit over other systems. Works great filtering snow melt fast too. Though it’s speed is indicative of a larger micron filter size than most other filtration systems. I would not use in areas with lots of known contaminants, but have had no trouble in high mountain streams and lakes. Last thought, there is a vary fragile plastic connector piece on the nozzles that secures them closed. I haven’t broken one yet, but probably only because I’m so focused on not doing so. Overall would recommend even with those caveats.

Kyle F

Originally reviewed on

5 out of 5 stars

April 26, 2024

Lightweight and clean, what’s not to like?

This bottle is just about perfect— the top gives enough structure to fill from a stream or other body of water, it collapses nice-and-small when not full of water, and you get clean water right away. I haven’t done much back flushing yet— that will be the crucial test.

Steven R

Originally reviewed on

5 out of 5 stars

April 18, 2024

Shipped right away product is as advertised and easy to use

Justin F

Originally reviewed on

5 out of 5 stars

March 30, 2024

I did a lot of research on a good lightweight water filtration system before a backpack hunting trip. I settled in this and I am glad that I did. It takes up very little room and filters water quickly. I was able to quickly and easily filter enough water for my daily needs. All that you do is fill it up, screw on the cap, and squeeze the water out. Water comes through easily enough to drink straight from the bottle, or you can squeeze it into other containers. Would definitely recommend.

Josh H

Originally reviewed on

5 out of 5 stars

March 29, 2024

Dependable and easy to use.

Simple to use and filters rapidly. Allows you to keep moving or share with others.


Originally reviewed on