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From a quick search, they are not millionaire-level expensive. Here for example is a 20W 222nm lamp that costs $436, with a lifetime of several thousand hours.

From a quick search, they are not millionaire-level expensive. Here for example is a 20W 222nm lamp that costs $436, with a lifetime of several thousand hours. https://uv-can.com/products/gerani-far-uv-light?srsltid=AfmBOopIMPnV3Rw_38jgiM91YU4cFDgJkmezRYqusgWfiIgs88HWu8jv https://uv-can.com/products/gerani-far-uv-light?srsltid=AfmB...

wkat4242 1y ago
Several thousand hours is not a lot. A year is already 8760 hours.
- DennisP 1y ago
  Sure, 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.