Refillable Desiccant Bag

This uses sock-length nylons to make refillable desiccant bags for keeping filament dry. It won't spill and can be crammed into any available space. The nylon mesh doesn't restrict air flow compared to solid cases with openings. The funnel screws into the opening and makes filling a breeze. It empties easily for drying the desiccant. I use crystal kitty litter which is very cheap and works as well for me as the official stuff. (That's unused kitty litter. Used litter would be even cheaper, b