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MSR
Hyperflow Microfilter Prefilter Replacement

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Before your filter, prefilter.

Replace your worn out or misplaced Hyperflow prefilter with the MSR Hyperflow Microfilter Prefilter Replacement. This handy accessory removes large particles and gunk before the water reaches your filter, increasing its lifespan and your efficiency. This replacement kit includes a prefilter bag and a new hose, and packs up for compact carrying when you have limited space.
Recommended Use
water filtration

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