Is it possible to add another filter option per item, namely a separate address for all rarity levels together, so that, for example, you can dump all raw ores from an ore miner into a box with the added address and then sort this box to the addresses for the exact rarity. Unfortunately, the current option that creates a filter in the box takes away the resources from the other boxes into which the corresponding rarity should go, which doesn't particularly help me personally.
(I have no idea about modding myself, so I don't know whether or how easy it is to implement something like this)