3 ms·
Several thousand hours is not a lot. A year is already 8760 hours.
by wkat4242 1y ago
Several thousand hours is not a lot. A year is already 8760 hours.
- DennisP 1y agoSure, I'm not saying it's cheap. I'm just saying there are lots of software developers and whatnot who could keep themselves in UV air filters if they really wanted to.