I came across something I haven’t seen before and I was wondering what it is. It appears to be some sort of inner grate, but I don’t know the maker, nor it’s purpose. Anyone have any information about this piece?
https://i.imgur.com/flk5xJS.jpg
https://i.imgur.com/nPJ3KX6.jpg
https://i.imgur.com/flk5xJS.jpg
https://i.imgur.com/nPJ3KX6.jpg