Mountain Safety Research
Trail Base Water Filter Kit
To meet the needs of multi-activity backcountry adventurers, we set out to engineer the most versatile water filter ever.
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.
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 or 4 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.
Free shipping on orders over $99 (oversize charges may apply) - Learn More
Fast and easy returns (no returns for final sale or heavily discounted items) - Learn more
Found a better price elsewhere? We guarantee you the best price on this item - Learn more
Premium gear is our promise
We were established almost 75 years ago by John Monod, a Swiss mountain guide and ski instructor. Quality outdoor gear is what our brand was built upon since 1949. Learn more.
Frequently Asked Questions
Have more questions? See all FAQ's
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Absolutely! We offer fast & easy returns on most products.
Exceptions include products 30% off or more, climbing gear, underwear & more.
Read our return policy here.
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All orders over $99 will qualify for free standard shipping within Canada.*
International shipping charges will apply for all non Canadian orders.
Oversize charges apply to larger items.
*See all shipping information here.
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Standard shipping estimates are as follows:
Alberta and British Columbia: 2-4 business days
Saskatchewan and Manitoba: 3 - 4 business days
All other provinces and territories: 5 - 9 business days