4 ms·
Not to forget, you'll have a looming black octagon after 6 weeks or so already depending on your environment. At least a reminder, that the filters are doing so
by mxfh 4y ago
Not to forget, you'll have a looming black octagon after 6 weeks or so already depending on your environment. At least a reminder, that the filters are doing something useful.
- jefftk 4y agoI've been running a filter cube in my office 8hr/day since November. It's a bit grey, but far from black.