Hands-free water purification, anywhere adventure takes you.

The MSR Guardian Gravity Purifier ensures safe drinking water wherever you go, filtering out viruses, bacteria, protozoa, sediment, and microplastics with ease. Designed for military-grade reliability, this rugged purifier meets the NSF P248 military testing standard, offering trusted protection in the most challenging conditions. Its 10-litre reservoir supports multiple people, making it ideal for basecamps, hostels, and remote adventures. With a fast flow rate and simple self-cleaning system, the Guardian Gravity Purifier delivers better-tasting water without the hassle.

Features

• Ultimate Virus 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.
• Two-stage filtration with activated carbon reduces chemicals and odours
• 10-litre reservoir provides ample water for groups
• No backflushing required—self-cleaning system maintains flow rate
• Fast flow rate of up to 1 litre in 2 minutes
• Rugged, military-grade construction for travel and outdoor use
• Compact and lightweight for easy packing

Specifications

• Claimed Weight: 530g
• Dimensions: 30 (L) x 10 (W) x 10 (H) cm
• Filter Pore Size: 0.02 microns
• Flow Rate: 0.5 litres/min
• Cartridge Life: 3,000+ litres
• Effective Against: Bacteria, protozoa, viruses, particulates
• Filter Media: Advanced Hollow Fiber
• Materials: UF Hollow Fiber, ABS