how-long-unused-water-filters-last

How Long Do Unused Water Filters Last? + Tips & Tricks

Drinking from wild water sources can be dangerous. Therefore, it is important to use water filters when hiking, but how long do they last? Here’s how long unused water filters last Rule of thumb answers range between 300 to 500 gallons, and six months to a year, depending on the frequency of usage. But it […]

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