| Clearance | Open Box | Excellent | Good | |
|---|---|---|---|---|
| Description | These are all brand new products. Clearance includes items discontinued by the manufacturer, overstocked items, and other special deals. | Inspected and verified. Open Box includes open box returns, products gently used for demonstration in our video productions, and other gently handled items. | Inspected and verified. Very lightly used products not quite good enough to qualify for like new condition. | Inspected and verified. These are lightly used items. |
| Condition | New in packaging; a brand-new item. | Products that show no sign of field use. Packaging may be damaged, missing or replaced. May show signs of being tried on or handled. | Well cared-for products that have seen limited use. | Products that show some wear but remain in good working condition and function properly. |
| No-Matter-What Returns | Yes, eligible | Yes, eligible | Yes, eligible | Yes, eligible |
| Warranty | Yes, manufacturer’s warranty | No | No | No |
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Item # ZU-MSRE6201
MSR Guardian Purifier (Used)
MSR Guardian Purifier
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The MSR Guardian Purifier was designed to be the safest, easiest way to purify water anywhere on earth. Co-developed with the military, the Guardian uses advanced hollow-fibers to remove viruses, protozoa, bacteria, and sediment from even the dirtiest water.
Description
The MSR Guardian Purifier was designed to be the safest, easiest way to purify water anywhere on earth. Co-developed with the military, the Guardian uses advanced hollow-fibers to remove viruses, protozoa, bacteria, and sediment from even the dirtiest water.
On each stroke, the Guardian uses 10% of its water to flush contaminants from its filter, releasing them through the dirty water outlet hose. This self-cleaning system ensures a fast flow rate regardless of water conditions.
The Hollow Fiber Technology used by the Guardian Purifier enables it to filter up to 2.5 liters of water per minute efficiently and effectively. The 0.02 Micron cartridge is self-cleaning and long lasting, effectively filtering up to 10,000 liters of water before needing replaced. Because of the fast flow rate, long cartridge life and durability of the Guardian it is extremely useful for group camping situations or extended backpacking trips.
- Advanced hollow-fiber cartridge meets testing standards used by U.S. military for removing viruses, protozoa, bacteria and sediment from even the filthiest water
- Patent-pending system self-cleans with each stroke, eliminating the need to ever backflush or filter-scrub to maintain flow
- Purifies 2.5 liters per minute from nearly any source without chemicals, bulbs or batteries
- Treats up to 10,000+ liters
- Withstands heavy use, freezing and extreme environments, an is impact resistant
California residents: view proposition 65
Warning
Technical Specs
Best Use
Backpacking, Camping, Travel
Field Maintainable
Yes
Filter Material
Hollow Fiber 0.02 pore size
Flow Rate
2.5 liters per minute
Removes
Viruses, Protozoa, Bacteria, and Sediment
Item Weight
17.3 ox
Item Dimensions
8.2" x 4.7"
Warranty
Manufacturer's warranty does not apply to used items
Capacity
10,000+ Liters
Types of Water Treatment for Backpacking
How Hand-Pumped Water Filters and Purifiers Work