My number one UV air purifier is no longer functioning. I really appreciate my UV air purifiers so much, plus I am completely upset that my number one one just quit working recently. I have had that UV air purifier for approximately five years or more. It was a truly nice UV air purifier. It was entirely the most expensive UV air purifier that I have ever or will ever own… There is no way that I will be able to afford to buy another one of those UV air purifiers. I sincerely wish that I could because I entirely adored that UV air purifier. There is just no way that I will be able to spend that much currency on a UV air purifier anytime soon. I am looking into working another job completely, plus if that does happen, I may be able to get another nice UV air purifier. Until that day finally arrives, I think I will be using our other two UV air purifiers. They are not quite as nice as the UV air purifier that broke happened to be! One of the UV air purifiers is in horrible shape. I am not even sure if it works. I have used it a couple of times, plus it never seems to turn on. I have literally never heard this UV air purifier turn on, so it makes me wonder if it truly works. The other UV air purifier that I have is not such a nice UV air purifier. It is not the worst, but it is definitely not as excellent as the UV air purifier that just stopped working. I will have to do with the UV air purifiers that I have currently, even though I sure will miss that really nice UV air purifier that quit working.