MSR WaterWorks EX Microfilter

The WaterWorks EX by MSR offers greater protection than any other filter in their line. Long-lasting and fully field-maintainable, it features a durable ceramic element that delivers years of protection, as well as a second-stage PES membrane for extra filtering power. The WaterWorks can be cleaned repeatedly for full recovery, with no tools required for complete disassembly. And, thanks to its innovative AirSpring Accumulator�, it is capable of pumping one liter of water per minute.

MSR WaterWorks EXFeatures:This high-quality cartridge exceeds the EPA�s requirements for bacteria and protozoa removal. The newly designed AirSpring Accumulator reduces the effort required to pump water and increase flow. Drop one into any of MSR's pre-2003 filters for 25% faster filtering. Fast flow: Easily filters 1 liter per minute thanks to the AirSpring Accumulator Reliable Performance: Long-lasting, easy-to-clean ceramic ensures you always have fresh water in the backcountry. Effective protection: Removes all pathogenic bacteria and protozoa (including giardia and cryptosporidia). Better tasting water: Carbon core removes bad odors and tastes caused by chemicals, such as iodine, chlorine as pesticides Weight: 19.3oz/539g