
Katadyn Pocket
I have been thinking about getting a water filter for awhile now, running out of water on a hike can make the last few miles true hell. I figure if I can carry a filter for the same weight as an extra bottle of water that is a good trade off… www.allfilters.com contacted me about reviewing a filter and I jumped at the chance. All Filters sells all types of filters ranging from whole house filters to compact backpacking and camping filters. I went with the Katadyn Pocket because of its durability. I have heard some not so good stories about the hiker pro that most carry, what good is a piece of gear if it fails!
The Pocket is more expensive than most ($289) but it is the only filter with a 20 year guarantee. This thing is built tough, I mean really really tough. It is mostly aluminum with a plastic outer sleeve. Very solid and easy to maintain. The ceramic filter element is good for 13,000 gallons, so basically forever.
When the box arrived I was excited to open it up and check it out. The Filter comes with a carry bag, a tube with a pre-filter, a output tube with a clip to connect to the container you are filling, a plastic bag for the output tube so it does not get contaminated, and a maintenance kit. Before even looking at the manual I quickly took it apart to see how it worked, it is super easy to disassemble and reassemble for in field maintenance. The manual tells you to flush the pump by filtering a liter of water to flush the ceramic dust from the manufacturing process. This is a must do step, the fist liter of water was very cloudy and kind of stinky. I ran a second liter through it and it was nice and clear.

Pre-filtered Water
For my first test I decided to scoop up some water from a local river the Mill River. I would never think of even taking a sip of the water out of this river. I set up the filter and started pumping away, each pump moved a fair bit of water and the pump moves with little resistance. The filtered water was clear. It did just what I expected it to do. This filter filters down to 0.2 microns because of their size no micro-organisms can pass through the mini pores of the filter ceramic ( 0.2 microns = 0.0002 mm). The Katadyn Pocket Microfilter eliminates bacteria, protozoa, cysts, algae, spores, sediments, and reduces viruses (but will not eliminate them) in combination with particles greater than 0.2 microns meeting EPA Purifier Standards.

Filtered Water
My second test was on a day hike. I filtered 32oz from a trail side stream. The water was flowing good after recent rains. The filter made quick work of 32oz of water, the filter rate for this filter is a liter a minute and that seems pretty accurate. I drank the full 32oz on my way out it’s been a couple weeks with no ill effects so I guess it works…
It weighs in at 20oz so it is slightly less than the full extra bottle of water I would normally carry. So as long as my destination has a good water source I will be carrying my Katadyn Pocket for piece of mind.
Disclosure: AllFilter.com provided HuskyHiker.com with a complementary Katadyn Pocket Microfilter for this review. However, This product review is based on first hand experience and not biased due to receiving free merchandise.
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