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This replacement filter for the GravityWorks water filter system is effective down to .2 microns and meets all EPA and NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa, helping treat water in the backcountry for safe drinking. Microfilter lifetime of up to 1,500L, depending on the quality of the water.

GravityWorks 6.0L Filter System
GravityWorks 4.0L Filter System
Bite Valve Cover
Reservoir Cleaning Kit

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