MSR Guardian Water Purifier – Backcountry & Travel Water Filtration System

• Military-grade water purifier pump removes viruses, bacteria, protozoa, and particulate from contaminated water sources virtually anywhere on earth
• Meets NSF protocol P248 testing standard of the U.S. military, using medical-grade fibers to provide protection from the tiniest waterborne threats
• Pumps at a rapid 2.5 liters per minute, treats up to 10,000 liters of water, and withstands freezing, drops, heavy use, and harsh environments
• Purifier pump self-cleans on every stroke, providing consistently fast flow rates with zero hassle—no backflushing or filter-scrubbing ever required
• Storage bag utilizes a PFAS-free DWR coating that is better for the environment and still keeps your gear dry
• Pump measures 8.2 x 4.7 inches, weighs 17.3 ounces.; storage bag included; manufacturer’s limited 3-year warranty; made in the USA

Free shipping on all orders over $50. Orders usually arrive within 3–5 days after dispatch. You'll receive tracking details by email once your order ships. Shipping & Delivery

Unused items in their original condition can be returned within 15 days of delivery. Returns & Refunds