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MSR Trailshot Pocket-sized water filter

3 reviews   |  

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The MSR Trailshot Pocket-sized water filter is the smartest portable water filter solution to clean water on fast-paced adventures.

Clean water all day—without the weight. Designed to hide in stash pockets and deploy quickly, this tiny MSR Trailshot Pocket-sized water filter lets you drink directly from sources along the trail for instant hydration, and fill your vessels with clean water. Easy one-handed operation filters one litre in a mere 60 seconds, so you can get back on the trail quickly and moving again. At just 142 g (5 oz.), the TrailShot water filter is the ultimate filter for fast-paced, high-mileage adventurers, like trail runners, hikers, fast-packers and mountain bikers.


  • Tested: Meets U.S. EPA drinking water standards* and NSF protocol P231 for removal of bacteria (99.9999%), protozoa (99.9%), and particulates.
  • Pocket-Sized & Light: Like small water bottles, energy chews, mini bike pumps, and tubes, this 142 g (5 oz.) filter disappears in stash pockets.
  • Instant Hydration: Drink directly from the source—without lying in the dirt—and refill your bottles or hydration reservoir with clean water.
  • Quick-Deploy: Zero set-up and simple one-handed operation fills 1-liter bottles in 60 seconds.
  • Simple to Clean: A few shakes helps restore flow rates in the field; no tools required.


  • Manufacturer: MSR
Customer Reviews
5.0 Based on 3 reviews
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Filter Reviews:
John W.
United Kingdom United Kingdom
MSR Filter

Easy to use, light and compact to carry. Does the job!

Alistair G.
United Kingdom United Kingdom
MSR Trailshot

Excellent. Really easy to use. It’s so small and lightweight you don’t notice that you are carrying it. It gives great peace of mind , especially when wild camping with my daughter.

richard s.
United Kingdom
Through Hiking New Zealand

Fast filtering compared to other market leading products. Easy to use, compact and light weight to carry .