What is this little box entry? I clean hotel rooms and today they run this machine within one,...

I clean hotel rooms and today they run this machine within one, and it smelled so bad. They said it be something ozone or something. Is this bad to my robustness?
Air conditioner had it as powerfully...?
Answers:    Ozone activated oxygen generator destroy odor cause bacteria and molecules. Help carry rid of mold and mildew. It is not bad for you at adjectives.(although there is such a article as bad ozone and apposite ozone) Although a room with alot of mold and mildew might engender you sick. That was prolly the smell.
Is it ok to buy used circuit breakers...
find out what it is exactly and research it online. Your employer is required to relay you what it is, especially if it is bad for your vigour.