For hands-free, Easy filtering the MSR Hyperflow Gravity Kit lets you use gravity to do the pumping for you. For use with the MSR HyperFlow H2O filter. Use this kit to convert your MSR HyperFlow filter (sold separately) into a convenient pump-free gravity system.

Allowing a secure connection of a HyperFlow Microfilter to a 32 oz. wide-mouth Nalgene H2O bottle, the MSR Quick-Connect Bottle Adapter fits any container with a 63mm threaded opening. The Quick-Connect bypasses the necessity for a separate output hose to make H2O filtering easier and hassle free. The adapter also...

Built specifically for the only EPA registered H2O purifier bottle on the planet, these Exstream Cyst Filters connect to your Virustat cartridge and filter up to 26 gallons depending on the quality of your H2O source. Exstream Cyst Filters remove Giardia and Cryptosporidium from your drinking H2O but eventually require...

An Must have camping gear item, the Katadyn Hiker PRO Microfilter efficiently removes bacteria and protozoan parasites including giardia and cryptosporidia from backcountry drinking H2O sources. A step up from the Trendy Hiker model, the Katadyn Hiker PRO H2O Filter includes a removable filter Safe guardor that extends cartridge life...

Better tasting than chlorine and potentially less harmful than iodine, these Micropur Purification Tablets rely on Sodium Chlorite (i.e. Chlorine Dioxide) to penetrate and kill cysts, viruses, bacteria, protozoa, worm eggs and giardia. Simply wait 30 minutes with normal H2O under typical conditions or 4 hours for Crypto in freezing...

The Katadyn Vario Dual Technology Microfilter is the first H2O filter that is adjustable for different conditions. Combining two leading technologies, a ceramic disc lengthens life given dirty H2O conditions, and a pleated glass fiber element provides easy operation during typical filtering. A dual action pump supplies optimum output for...

The HyperFlow utilizes the latest Hollow Fiber Technology in a package so small and so easy to use it will change the way you travel in the backcountry. Its ergonomic design, diminutive size and tool-free maintainability make it just as appropriate on day trips as it is on multi-day excursions....

The MiniWorks EX is the best-selling filter on the market, delivering long-lasting, fully field-maintainable H2O filtration. Its durable ceramic element ensures Safe guardion, pumps H2O for years, and can be cleaned repeatedly for full recovery, with no tools required for complete disassembly. The MiniWorks is also lightweight, small, and, thanks...

Lightweight and small, the SweetH2O Microfilter makes H2O filtration fast and easy.

Blending the proven filtration of the micro-filter with the chlorine-based SweetH2O Purifier Solution, the MSR SweetH2O Purifier System provides safe, clean H2O worldwide. The 4-to-1 mechanical advantage pump lever services a micron filter that eliminates H2O borne bacteria and protozoa, such as giardia and cryptosporidia, with a worst case purifying...