Just In – MSR TrailShot Filter

by Brian Mullin on July 7, 2017

Fast-Packing, Pocket-Sized Trail Necessity

The new MSR TrailShot Microfilter cleans water all day — without the weight. Fast-paced, high-mileage adventurers such as trail runners, hikers, fast-packers, and mountain bikers can rejoice in this new filter designed to hide in stash pockets and deploy quickly. Easy, one-handed operation filters one liter in a mere 60 seconds straight from the source so you can hydrate quickly, fill your vessels with clean water, and quickly get back on the trail and be moving again.

Need more? Here’s what else you should love about the TrailShot Microfilter:

  1. This filter only weighs 142 g (5 oz)
  2. You can easily clean the filter to restore its flow and perform integrity tests IN-FIELD
  3. You can drink directly from the source – without lying in a puddle to drink – and you can fill up your water bottles
  4. Price tag of $49.95 (replacement filter cartridges are also available)

For more information, visit www.msrgear.com.

Clean water all day—without the weight. That’s the advantage the TrailShot Microfilter provides. Designed to hide in stash pockets and deploy quickly, this tiny 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 liter 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.

Thoughts => The TrailShot Microfilter doesn’t weigh very much so I found it handy to just toss in my pack for grabbing water when I knew ahead of time that sources would be available. It was easy to use, just drop the prefilter in the water, pop off the main filter top, squeeze the pump ten times and start drinking or fill a water bottle or hydration pack. Simple! When done, just pump the last water into your mouth and stash the filter back in your pack. This will be a great item for just about any biker or hiker and will the cats meow for bikepacking.


  • 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 help restore flow rates in the field; no tools required.
  • *U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers

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