Trail Base Water Filter Kit - 2L (Fall 2022)



Ultra-versatile system with gravity filtration for camp and a small filter for the trail

To meet the needs of multi-activity backcountry adventurers, MSR set out to engineer the most versatile water filter ever. 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 basecamping, 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.

California WARNING: Cancer and Reproductive Harm –


Brand Name:
Micron Rating:
Flow Rate:
1 liter per min
Treatment Type:
Gravity Filter
1 lbs 6 oz / 0.62 kg
Protects Against:
Protozoa and Bacteria
Filter Material:
Hollow Fibers
Width: 8.5 in
Field Maintainable:
Mfg Sku/Part Number:
Other 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.
• Versatile: Modular components allow system to quickly and easily transform from a 2 L gravity system into a small trail filter and back.
• Simple Transitions: Trail filter simply quick-connects into gravity system to create the complete gravity-fed filter system.
• Complete Kit: Includes ultralight, durable clean water reservoir, which features our 3-in-1 cap for easy filling, drinking and pouring.
• Flow (strokes per liter): 60
• Cartridge life: 1500 liters
• Cartridge replacement indicator: yes
• Made in the USA of US and Imported Materials
*U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers

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