MSR Guardian Water Filter Replacement Cartridge - Purifier for Hiking, Camping & Emergency Preparedness - Compatible with MSR Guardian Water Purifier System

Product Description

The MSR Guardian Filter Cartridge Replacement restores your Guardian Purifier's flow rate. Lasting up to 10, 000+ liters, it removes viruses, bacteria, protozoa and particulates like dirt and sediment. Make sure you have yourself covered the next time you're spending long hours on the trail.

• Removes viruses, bacteria, protozoa, and particulates like dirt & sediment
• Cartridge replacement indicator
• Meets NSF protocol P248, testing standard used by U.S. military