MSR Guardian Gravity Water Purifier for Backcountry, Global Travel & Emergency Preparedness | Made in USA

Across remote trails, crowded cities, and emergency scenarios, clean water is a priority. The MSR Guardian Gravity Water Purifier offers a reliable, gravity-fed solution with a two-stage filtration system that combines hollow-fiber technology and activated carbon. This design targets a broad range of contaminants while helping reduce unpleasant tastes and odors, so you can focus on your plans rather than your water source.

What makes this purifier a practical choice

• Two-stage purification with hollow-fiber membranes and activated carbon for versatile water treatment.
• High-volume, gravity-fed operation—no pumps or batteries required.
• 10-liter reservoir supports group use and extended outings; purification flow is up to about 1 liter in 2 minutes at an optimal height.
• Universal bottle adapter enables connection to many bottle shapes and sizes.
• Compact, rugged design: measures 12.5 x 4 inches and weighs 18.7 ounces; fits into a zipped carry case.
• Made in the USA with a 3-year limited warranty; includes hoses and all accessories for quick setup.

In real-world terms, you’ll appreciate the ease of setup: simply hang the 10-liter reservoir and let gravity do the work. The system is designed to reduce chemicals and odors while maintaining water that’s suitable for everyday use in a variety of environments—from backcountry huts to remote villages and home preparedness kits. The purifier is engineered to meet NSF protocol P248, addressing a comprehensive range of contaminants, which helps you approach water sources with greater confidence without relying on electricity.

Real-world use cases

• Backcountry trekking, camping, and mountaineering where sources vary widely
• Global travel to places with uncertain tap water quality
• Emergency preparedness kits for power outages or natural disasters
• Group outings where reliable water supply is essential

What you get with the MSR Guardian Gravity Purifier goes beyond the unit itself. The setup is straightforward, the reservoir is easy to fill and hang, and the included universal bottle adapter expands compatibility with common bottle shapes. The purifier’s rugged build, 10-liter reservoir, and carry-case design make it a dependable companion for outdoor adventures and preparedness planning alike. The inclusion of a two-stage purifier with activated carbon helps reduce odors and tastes tied to questionable water sources, offering a clearer drinking experience. The USA-made integrity and a 3-year warranty add to the overall value for long-term use.

What’s included

• Two-stage purifier
• 10-liter reservoir
• Universal bottle adapter
• Hoses and connecting fittings
• Zippered carry case