MSR Trail Base Water Filter Kit (2L)

Best for

• Backcountry hiking and biking
• Base camping water filtration
• Multi-day trips needing flexible water solutions

Things to know

• Modular design converts between gravity filter and pocket-sized trail filter
• Effective against bacteria (99.9999%), protozoa (99.9%), and particulates
• Includes ultralight, durable 2L clean water reservoir with 3-in-1 cap
• Quick-connect system for fast transitions between filtration modes

Avoid if

• Heavier than ultralight filters at 460g
• Limited to 2L reservoir capacity, may require frequent refills on longer trips

How it fits into a trip

Best for hikers and bikers needing a durable, adaptable filter for camp gravity use and quick trail filtering with a 2L reservoir on short to medium trips.

About this product

MSR Trail Base Water Filter Kit (2L) was engineered to be the most versatile water filter, to meet the needs of multi-activity backcountry adventurers.

The Trail Base microfilter kit features modular components that allow it to be used as a gravity system at camp, a pocket-sized filter on the trail, or a fast-and-light reservoir when you need to carry clean water with you.

Whether you’re hiking, biking or base camping, the Trail Base water filter kit offers incredible flexibility and options, making it the one filter that truly adapts to your adventure and the filtration task at hand.

Features: Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate.

Hollow fiber filter meets U.S.

EPA drinking water standards* and NSF protocol P231 testing standard.