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require replaceable filters, though. I could see that as a tradeoff.

True, but those filters last a very long time. The Sawyer Squeeze (what I use) produces ~1000 gallons of filtered water before needing replacement[1]. I assume others using the same technology perform similarly.

It also filters the water much more quickly. As fast as you can drink it.

[1] Assuming you properly maintain it by backflushing every so often, which is quick and easy, but still necessary.

warranty is actually lifetime: https://www.sawyer.com/lifetime-warranty

i think you would need more than the syringe and arm power backflush to really restore a good flow over years, but hey it's only 30 bucks and mine has been working for 4 years

True, and they also claim that the filter is good for at least 100,000 gallons. That may be correct and I'm just doing something wrong, but my experience with it is more in line with what most reviewers claim: about 1,000 gallons before I can no longer restore reasonable flow.

As you say, they're inexpensive, so I don't sweat this too much.

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