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Jan 04, 2023 - 02:49 PM
There is no visual indicator, however the cartridge should be replaced when the flow rate drops below one liter per minute when pumping 70 strokes per minute.
What are some indicators that the filter needs to be replaced? Guardian Purifier
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Open Jan 04, 2023 - 02:46 PM
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Guardian Purifier
The MSR Guardian Purifier was designed to be the safest, easiest way to purify water anywhere on earth. Co-developed with the military, the Guardian uses advanced hollow-fibers to remove viruses, protozoa, bacteria, and sediment from even the dirtiest water. On each stroke, the Guardian uses 10% of ...
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