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Adventure Alan & Co: Best Ultralight Water Filters For Backpacking 2025

A review for the best ultralight water filters for backpackers.

Adventure Alan & Co: Best Ultralight Water Filters For Backpacking 2025

Last updated:
May 12, 2025
|  5 min read

Adventure Alan & Co: Best Ultralight Water Filters For Backpacking 2025

Adventure Alan & Co: Best Ultralight Water Filters For Backpacking 2025

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A review for the best ultralight water filters for backpackers.

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Adventure Alan & Co: Best Ultralight Water Filters For Backpacking 2025

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Best Ultralight Water Filters For Backpacking 2025

Squeeze Based Ultralight Water Filters & The Vessels To Pair Them With
After thoroughly analyzing the marketplace and testing most possible combinations, we can officially say that these are the best squeeze based ultralight water filters for backpacking. This guide takes into account not just the filter units, but which vessel to pair each with, what they’re best at, and where in your pack to store them.

Hop onto the PCT this summer and you’ll see that virtually every thru-hiker is using an ultralight squeeze filter. That’s because they’re the fastest, simplest, and most reliable system for both soloists and groups (so long as everyone has their own). As such, we have excluded all of the outdated or nonsensical options, including pumps, straws, UV pens, and gravity-based system. Chemical treatments work great, but aren’t featured here because this guide is specific to ultralight water filters.

Continue reading to learn more about the best ultralight water filters for backpacking, written by Jaeger Shaw.

Adventure Alan & Co: Best Ultralight Water Filters For Backpacking 2025

Best Ultralight Water Filters For Backpacking 2025

Squeeze Based Ultralight Water Filters & The Vessels To Pair Them With
After thoroughly analyzing the marketplace and testing most possible combinations, we can officially say that these are the best squeeze based ultralight water filters for backpacking. This guide takes into account not just the filter units, but which vessel to pair each with, what they’re best at, and where in your pack to store them.

Hop onto the PCT this summer and you’ll see that virtually every thru-hiker is using an ultralight squeeze filter. That’s because they’re the fastest, simplest, and most reliable system for both soloists and groups (so long as everyone has their own). As such, we have excluded all of the outdated or nonsensical options, including pumps, straws, UV pens, and gravity-based system. Chemical treatments work great, but aren’t featured here because this guide is specific to ultralight water filters.

Continue reading to learn more about the best ultralight water filters for backpacking, written by Jaeger Shaw.

Photo thumbnail Blog Author
Owner & Managing Editor
Jaeger Shaw
Wilderness backpacking is life’s greatest passion for Jaeger Shaw, despite making every possible mistake on a fateful, life-trajectory-altering first trip in 2011.
Media Mentions

Adventure Alan & Co: Best Ultralight Water Filters For Backpacking 2025

Best Ultralight Water Filters For Backpacking 2025

Squeeze Based Ultralight Water Filters & The Vessels To Pair Them With
After thoroughly analyzing the marketplace and testing most possible combinations, we can officially say that these are the best squeeze based ultralight water filters for backpacking. This guide takes into account not just the filter units, but which vessel to pair each with, what they’re best at, and where in your pack to store them.

Hop onto the PCT this summer and you’ll see that virtually every thru-hiker is using an ultralight squeeze filter. That’s because they’re the fastest, simplest, and most reliable system for both soloists and groups (so long as everyone has their own). As such, we have excluded all of the outdated or nonsensical options, including pumps, straws, UV pens, and gravity-based system. Chemical treatments work great, but aren’t featured here because this guide is specific to ultralight water filters.

Continue reading to learn more about the best ultralight water filters for backpacking, written by Jaeger Shaw.

Photo thumbnail Blog Author
Owner & Managing Editor
Jaeger Shaw
Wilderness backpacking is life’s greatest passion for Jaeger Shaw, despite making every possible mistake on a fateful, life-trajectory-altering first trip in 2011.
Media Mentions
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Here at Sawyer
January 15, 2026
6 Min
Adventure Alan and Co: Best Backpacking Water Storage & Filtration System 2026
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Media Mentions

The Sawyer Mini is the cheapest and one of the most lightweight water purifiers on this list.

Steph Dyson
Freelance Travel Writer

Media Mentions

The best filter, I took care to sleep with it on cold nights and back-flushed her in town.

Lauren “Mothra” Mullen
Hiker, Writer

Media Mentions

My Sawyer Squeeze made it until Mount Whitney, where I accidentally froze it by bringing it to the summit.

Anna
Writer
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