How To: Replace an MSR Sweetwater 5 Micron pre-filter.

Replace an MSR Sweetwater 5 Micron pre-filter.

An MSR sweetwater micron pre-filter will purify water to drinking quality. It's a handy water filter to take along on camping trips or outdoor activities. Watch this video survival training tutorial and learn how to replace an MSR Sweetwater 5 micron pre-filter.

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