Tag Archives: Katadyn BeFree Collapsible Water Filter Bottle

Katadyn BeFree Upgrade! – Larger Water Bag & Gravity Filter System

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Using the Katadyn BeFree Water Filter with a HydraPak Seeker 2L Reservoir and Gravity Filter Tubing Setup.

After my previous review of the Katadyn BeFree water filter, I discovered and acquired a compatible water reservoir bag that would increase my filtering capacity to 2L – the HydraPak Seeker collapsible water bottle (also available in a 3 liter version).  The main challenge with the BeFree filter is finding a water bottle or reservoir with wide mouth 42mm threads, which the HyrdaPak has.

In the video I go over my thoughts and experiences using the Katadyn BeFree in conjunction with the HydraPak Seeker 2L and Sawyer Squeeze 64 oz Pouch as part of a gravity water filter system, as well as a stand alone squeeze style system using just the HydraPak Seeker and BeFree.

System Components Seen in the Video
Katadyn Befree Water Filter With Hydrapak 0.6L Collapsible Flask
Hydrapak Seeker 2L Water Storage Bag, Mammoth Grey (for dirty water)
Sawyer Inline Adapters for Screw On Filters
1/4″ Food Grade Plastic Tubing
Sawyer Squeeze Bag – 64 oz Pouch (for clean water)

Katadyn BeFree Water Filter Review

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My thoughts & review of the Katadyn BeFree Collapsible Water Filter Bottle – 0.6 Liter for Backpacking & Camping

The Katadyn BeFree is a backpacking water filter with a very small footprint and low overall weight.  In this video I’ll cover all of the bases from the initial unboxing, to specific features, individual item weights, test usage out in the field, pros and cons based on individual backpacking styles, as well as some thoughts of future improvements for the system.

Specs and Features as per the Manufacturer

  • Dimensions (in) 9.05
  • Diameter (in) 2.73 ∅
  • Output (gal) 2.11 quart/min
  • Technology Hollow fiber filter 0.1 micron
  • Weight (kg) (oz) 2.05
  • 0.1 micron water filter removes harmful organisms like bacteria 99.9999% and protozoa like Giardia & Cryptosporidium 99.9%, surpassing EPA standards
  • Collapsible 0.6L hydrapak soft bottle flask packs down small to fit in tight spaces (pant or jacket pockets, purses, cycling jerseys, fly vests.
  • Ez-clean Membrane is simple and easy to clean by simply shaking or swishing the filter to clean debris, no backflushing or extra tools required
  • Filters up to 1,000 liters of contaminated water without using chemicals or other devices and • hydrate quickly and easily with the free flow channels fast flow rate
  • Stay clean drink nozzle keeps the mouthpiece clean and sanitary (replaceable with standard plastic water bottle caps)

Update: After further research, it looks like there may indeed be a third party bag that works with the wide mouth threads on the BeFree filter cartridge.  It looks promising, but I have not been able to personally test it’s compatibility.  It’s called the Hydrapak Seeker 2L Water Storage Bag