The Best Backpacking Water Filters of 2025

A bacteria-filled beach. A muddy wetland. Glacial silt runoff. The best backpacking water filters have to be able to handle some pretty gnarly water sources without clogging or breaking. I tested the 20 backpacking water filters in this story by taking them to three different water locations, pumping three liters of water through each filter. After each round, I timed how long it took each filter to handle a liter of tap water before continuing to the next round. At the end of all three rounds, I weighed each filter.

Continue reading to learn more, written by Laura Lancaster.

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April 19, 2025

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Sawyer, a brand known for its reliable, no-frills outdoor products, offers a 20% picaridin spray that provides up to 12 hours of protection from mosquitoes and ticks, and up to 8 hours against biting flies and gnats, making it a smart pick for camping, travel or everyday use.

Dan DiClerico and Timothy Dahl
Writers

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Our new friend, Oats, at Sawyer gave our Sawyer filters a bath and also gave us a whole new bottle of permethrin for free!

Lauren “Mothra” Mullen
Hiker, Writer

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We carry a Sawyer Snake Bite kit with us whever we go because it works for bug bites on the beach too.

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