MSR Guardian Gravity Purifier Replacement Filter Cartridge

Best for

• Maintaining peak performance of MSR Guardian Gravity Purifier
• Reliable backup filter for extended wilderness trips
• Fast purification of questionable water sources
• Ensuring virus-level water safety in remote areas

Things to know

• Meets NSF P248 military standard for virus removal (99.99%)
• Advanced hollow fiber technology for high flow (1L/2 min)
• Two-stage purification with activated carbon for taste
• Effective against bacteria, protozoa, sediment, microplastics
• Lightweight at 4.7 oz for easy carry

Avoid if

• Does not remove chemical toxins
• Only compatible with MSR Guardian Gravity Purifier system
• Requires replacement to maintain flow and effectiveness

How it fits into a trip

Ideal for hikers and campers needing reliable virus-level water purification with fast flow, especially on long trips where backup filters ensure uninterrupted clean water access.

About this product

MSR replacement purifier cartridge for Guardian Gravity Purifier System.

Keep your MSR Guardian Gravity Purifier performing at its best with this replacement filter cartridge.

Designed to restore optimal flow rates, it ensures your water purification system works smoothly without interruptions.

Store it as a reliable backup to guarantee uninterrupted access to clean, safe water wherever your adventures take you.

Features: Ultimate Viral Protection: Meets NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions.

High-Flow: Groundbreaking hollow fiber technology for fast, anti-virus water purification (up to 1L in 2 minutes.).