HJS Emission Technology is a German company that was founded in 1976. HJS specializes in designing and producing particulate filters, which help you achieve a greener solution. HJS makes a number of different particle filters, but what they have in common is that they effectively retain soot particles. HJS is very committed to sustainability, which is why they are constantly looking for new innovative solutions that can improve their products. HJS particle filters are a really good and easy way to do things for the climate, without having to make too drastic changes.