It contains "PCB". Bad for health. I am now thinking deeply if I deal with this or not. Because some audio maniacs (my costomers) want to get them and I am often asked if I can get them. I say "mmmm let me think"
Easy to get them and make money out of it. But why should I have to...

By the way, they are called "OIL CAPACITORS".often used for Military electronics like radio.