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> Why did it say it couldn't filter? We don't know it said that - it could have been saying 'arbitrary number of seconds of use has elapsed/. You could be righ
by Angostura 3y ago
> Why did it say it couldn't filter?
We don't know it said that - it could have been saying 'arbitrary number of seconds of use has elapsed/. You could be right, but we don't know.
- typh00n 3y agoXiaomi air purifiers do exactly that. Go by hours used. At least in the older Version 3 that was still the case.
- imp0cat 3y agoApparently people still buy them, because they are cheap. It's the same with printers - the initial purchase price is low, then the consumables are expensive. People really need to include the running costs into their calculations. The best deals aren't usually the cheapest machines.