The RapidPure® Trail Blazer lets you filter and purify gallons of water at camp or on the go at the ultrafast flow rate of up to 5 liters per minute. More than a filter, the Trail Blazer removes over 99.99% of viruses, bacteria, parasites, sediment, and more, and works even after it has been frozen. This system features the fastest flow rate of any gravity water purifier on the market, all without any batteries, pumping, priming, or special maintenance. The ideal camping water treatment system, this gravity water purifier includes a 9 liter bag, hose, and 6.5” purifier cartridge.