Katadyn Befree

The Katadyn BeFree AC is an ultra-lightweight water filter designed to instantly purify water and improve its taste. Thanks to its 0.1 micron hollow fiber membrane and activated carbon cartridge, it eliminates bacteria, protozoa and unpleasant odors. Available in 0.5L and 1.0L, it's perfect for trail running, hiking and travel.
€47.90

* Required Fields

Availability: In stock & Available in our store

The opinion of Aventure Nordique

The Katadyn BeFree AC is a fast, versatile water filtration system designed for those looking for a reliable, lightweight and compact filter. It transforms impure, non-drinkable water into drinking water. Its high flow rate of 2 liters per minute enables immediate, effortless hydration.


Advanced two-stage filtration:


Hollow-fiber membrane (0.1 micron): eliminates bacteria, micro-organisms and protozoa.
Activated carbon cartridge (replaceable): reduces chlorine taste and unpleasant odours.
A design conceived for outdoor activities: hiking, travel, outdoor living.


Flexible, collapsible tank, easy to store and transport.



  • Sturdy folding cap prevents leaks and protects the mouthpiece.

  • Integrated loop for attaching the filter to a backpack with a carabiner.

  • EZ-Clean Membran technology, for quick and easy cleaning without tools.


Thanks to its reservoir, you can collect water directly from a stream, river, tap or fountain, store it and drink it immediately!


Points to remember

The Katadyn BeFree AC is an excellent companion for those looking for a simple, effective and ultra-lightweight water bottle filter. The 0.5L version is ideal for trail running, while the 1.0L is better suited to longer hikes. Its easy maintenance and improved taste thanks to activated carbon make it a must-have for drinking water without the risk of getting sick.

Technical details

Manufacturer Katadyn
Product name Befree AC
Filter Type Hollow fiber filter - EZ-Clean Membrane
Output Up to 2 l/min
Filter Size 0,1 micron (0.0001 mm)
Cartridge Life Up to 1,000 l depending on water quality
Effective against bacteria Oui
Effective against microorganisms Oui
Effective against particulate Oui
Effective against protozoa Oui
Material
  • EZ-Clean Membrane with Hollow Fibers 
  • Hydrapak SoftFlaskTM made of TPU (thermoplastic polyurethane)
  • 100% PVC and BPA free
Dimensions 0,6L : 273 x 85 x 54 mm - 1L : 273 x 107 x 78 mm
Weight 0,6L : 72 g - 1L : 76 g
Colour Slate blue
Additional information
  • Fast flowrate of up to 2 liters per minute
  • Easy cleaning > by shaking or swishing
  • Collapsible flask > minimum weight and space requirement
  • EZ-Clean Membrane made of hollow fibers
Warranty 2 years
Country of Manufacture China

verified customer reviews Logo Trusted Shop

Only customers who have ordered this product from us can give their opinion on our products, but you can contact us for questions, returns and advice.

Questions & Answers

Be the first to ask a question about this product