The Marathon EX Ceramic Element is the replacement filter element for all MSR MiniWorks, WaterWorks and WaterWorks II water filters. Included with the Marathon Ceramic Element replacement is a ceramic gauge, scrubbing pad and instructions.
Can be cleaned multiple times for low cost filtering
Carbon core removes many chemicals including iodine, pesticides and chlorine
Ceramic Gauge lets you know when to replace the ceramic element
Cartridge life is about 2000 liters (depending on water quality being filtered)
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