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MSR Waterworks PES Membrane Cartridge

by MSR
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SKU 2967e
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The PES Element is the membrane filter for all MSR WaterWorks and WaterWorks II water filters. This secondary element adds a higher level of filtration to the ceramic element making the WaterWorks II the finest available in water filtration.

  • Second stage filter provides double protection
  • Added filtration at .2 micron


Prop 65 O (Styrene): This product can expose you to styrene, which is known to the State of California to cause cancer.