Awesome flesh-burning death lamp. (Germicidal UV)

Another sensational eBay delight that you should probably not buy unless you really know what it is and does. It bathes a whole room in the icy glow of UVC narrow band ultraviolet, which can cause eye and skin damage to anyone in its vicinity. It appears that the "acarien" reference may be to do with killing dust mites. I'm not sure how effective that is, but it definitely puts out a lot of UV and makes the room smell strongly of ozone in the process.
UVC tubes are often used in industrial food processing equipment to sterilise it in a cleaning cycle where the machinery runs while the lamp is lit inside. You also get water sterilisation systems where the water is pumped through a tube in close vicinity of a UV tube.
If you really do want to buy one of these on eBay then the magic keywords are E27 and germicidal. The only ones I could find were 220V so they are probably really only intended for sale in China. I did see 110V blacklight lamps falsely advertised as germicidal.
If you do buy one of these you MUST make anyone who might come across it aware that it is dangerous to look at or even be in a room with when lit. If you like weird and dangerous electrical stuff or have a genuine need for a convenient UVC lamp with integrated ballast, then this may be a worthy addition to your collection.

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