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The smartest solution to clean water on fast-paced adventures. Clean water all day—without the weight, this is the advantage the TrailShot Microfilter provides.
  • Designed to be easily stowed in stash pockets and deployed quickly
  • It’s a tiny water filter that lets you drink directly from sources along the trail for instant hydration
  • You can use it to fill your hydration bladder or squishies with clean water to meaning you no longer have to choose the type of filter you need
  • Easy one-handed operation filters one liter in a mere 60 seconds (yeah crazy!!), meaning you can get back on the trail quickly, fully hydrated and moving again
  • Weighs in at just 142 g (5 oz.)

Prefer the inline option? Check out the MSR Thru-Line.

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The smartest solution to clean water on fast-paced adventures.

Clean water all day—without the weight, this is the advantage the TrailShot Microfilter provides. Designed to be easily stowed in stash pockets and deployed quickly, this tiny water filter lets you drink directly from sources along the trail for instant hydration, and/or fill your vessels (hydration bladder or squishies) with clean water – you no longer have to choose the type of filter you need. Easy one-handed operation filters one liter in a mere 60 seconds (yeah crazy!!), so you can get back on the trail quickly, fully hydrated 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.

PLUS no getting sick on your outdoor adventures from bad water! That’s pretty awesome! Want to see it in action? Just watch the video below.

Prefer the inline option? Check out the MSR Thru-Line.

  • 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 fill 1-liter bottles in 60 seconds.
  • Simple to Clean: A few shakes help to restore flow rates in the field; no tools required.
  • *U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers
Made in the USA
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