The MSR TrailShot Replacement Filter Cartridge is a replacement filter for the MSR TrailShot. After 2,000 liters, you will probably want a new filter. Gotta keep the icky stuff out of your drinking water. Replace the filter in mere moments, then go ahead and take another drink, right out of the stream.
So sorry, but only 4 items are allowed for comparison, so we're comparing the first 4. I blame the gnomes and so should you.
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