Levoit Core Mini Carbon Filter Cartridge

I have a few Levoit Core Mini air filters, and they do a great job at filtering out the dust, but they have no solid carbon (only a mesh). So they don't do a great job at getting VOC's and odors out of the air. I designed this for use in the Levoit Core Mini and fits snugly inside of the standard HEPA filter adding 9oz of carbon. That is the same amount of carbon the full size Levoit EverestAir holds in its filter. It will slow down air flow a bit as its going through the carbon, but that will lead to more contact time. So it won't filter as much volume as the full size Levoit EverestAir just due to smaller size and fan, but it has the same odor/VOC capacity as the EverestAir. I have tested it for the last few days around my printers and it does a good job of pulling down odors. Since I use the EverestAir in my workshop where my H2D's are and I have a Core 600 out by the rest of my printers, I have been using these around my litter boxes on a shelf. These do an insane j