MSR TrailShot Microfilter

Fast-moving backcountry travel demands a water filter that keeps pace, and the MSR TrailShot delivers clean water on demand without slowing you down or adding meaningful weight to your kit.

At 142g (5 oz) the TrailShot disappears into a stash pocket alongside your energy chews and lip balm, and the squeeze-and-drink design means you can drink directly from a stream, lake, or puddle without lying in the dirt or stopping to set up a filter system. One-handed operation fills a 1L bottle in 60 seconds, making water stops a brief pause rather than a production. A few shakes in the field restores flow rate without tools when filtration starts to slow, keeping you moving on high-mileage days across Canadian backcountry trails.

The hollow fibre filter meets U.S. EPA drinking water standards and NSF Protocol P231, removing 99.9999% of bacteria, 99.9% of protozoa, and particulates from any freshwater source.

• Weight: 142g (5 oz)
• Flow rate: 1L per 60 seconds
• Removes 99.9999% of bacteria and 99.9% of protozoa
• Meets U.S. EPA standards and NSF Protocol P231
• Drink directly from source or fill bottles and reservoirs
• One-handed operation, zero setup required
• Field-cleanable with no tools required