Our website has undergone many changes recently. But the change we are most proud of is the change from product variants to customizable extra options that you can change and choose yourself. This gives us additional options for you to customize the filter the way you want it. an added benefit is that it should now be a lot clearer what extra options there are in the first place.
But also thanks to this step we have more customizable options than before. look here for the full list of additional options with explanations attached.