Replacement Ceramic Filter Element for MSR MiniWorks/WaterWorks

MSR Marathon EX Ceramic Replacement Cartridge: Pure Water, Unmatched Performance

Extend your adventures with the MSR Marathon EX Ceramic Replacement Cartridge—the essential upgrade for your MiniWorks EX or WaterWorks EX microfilter. Engineered for reliability, this high-performance ceramic element eliminates 99.9999% of harmful bacteria and protozoa (including giardia and cryptosporidium) down to 0.3 microns, ensuring safe drinking water anywhere.

Why Choose the Marathon EX?
– 25% Faster Flow Rate: Spend less time pumping and more time exploring.
– Legacy Compatibility: Perfectly integrates with older MiniWorks and WaterWorks models—no need to replace your entire system.
– Ceramic + Carbon Technology: Reduces contaminants and improves taste by filtering sediments, chemicals, and odors.
– Exceptional Longevity: Treat up to 2,000 liters—ideal for extended backcountry trips or group use.
– Field-Ready Design: Lightweight (0.11 kg) and compact (12 cm length) for easy packing.

Specs That Matter
– Weight: 3.8 oz (0.11 kg)
– Dimensions: 4.6″ L x 2″ W (12 cm x 4.9 cm diameter)
– Media: Ceramic shell with activated carbon core
– Lifespan: 2,000 liters
– Origin: Made in the U.S.A.

Maximize your filter’s potential—replace worn elements confidently with the Marathon EX. Dependable purification, engineered for endurance.