Kathryn filter
"Easy to swap and ensure a clean filter for in field use. Never a problem freezing while other filters may fail (just pump water out before night)."
4
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When your cartridge goes bad, no need to replace your entire water filter. Simply replace the cartridge on either the Katadyn Hiker or Hiker Pro filter, and you are good to go for another 200 gallons (depending on water quality).

Overall rating: 5.0 / 5 from 3 reviews.
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"Easy to swap and ensure a clean filter for in field use. Never a problem freezing while other filters may fail (just pump water out before night)."
"Great fit! Perfect replacement. Just like the original. Always nice to have a fresh filter going into a trip. Comes with lube for the o-ring also."
"Have used this filter all over North America for 20 years and have never gotten sick from bad water."
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