MSR can make that claimand more with its new Guardian Water Purifier. Filtersystems have generally been constrained by their ability toeliminate only bacteria and Cryptosporidium (a microscopic ...

Purifiers, on the other hand, which do catch viruses, tend to clean water very slowly. The MSR Guardian represents a quantum leap forward in the world of water filtration. For this new device ...

It was serendipity that several months later I came across a used MSR Guardian filter at an REI Garage sale for $20. The reason for return? It filtered water too quickly. I assume the previous ...

Sometimes you just need a water filter; sometimes you need a full-blown purification system. Now, SweetWater’s Guardian Plus lets you decide on the fly. The Guardian Plus comes in two parts ...

$200 is expensive, but the Guardian cartridge is rated for over 3,000 liters (almost 800 gallons) of water before needing replacement. Using MSR’s purifier creates far less waste than 3,000 ...

The carry strap is a great design feature for transporting water to and from the source. This was easily the most expensive bit of gear analyzed, but the MSR Guardian Purifier both filters and ...

These seven devices will help keep you warm, dry, and powered up. MSR Guardian Water Purifier Pumping 2.5 liters of water per minute while filtering out viruses, bacteria, protozoa and ...

such as the MSR Guardian, are designed in a way to essentially negate the risk of contamination. No more packing tubes within bags and then stuffing that into another bag with your filter. If your ...

When hiking in the backcountry, you need a good backpacking water filter to ensure access to safe, clean water. A functional water filter (and often a water purifier , too) can’t be missed on a ...