!,25" Filter Box

I made this box so it would fit in Dwarf II Bag, I also used M4 Screws and Knurled threaded inserts on the two center holders. Here is a link to the insert kit I used: https://www.amazon.com/gp/product/B09Z1VXD9X/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1