Filament Dry Box

My version of Filament Dry Box includes Silica Gel spread on the bottom of the container, a heat mat and humidity meter. There room for multiple spools but I created only one output to reduce openings, most of the time I have only one active color in use.

The heater works 24x7, the contribution is not high but the cost is not significant as well. The Silica Gel reduces humidity from 50% to 12-15% but it has to be dried once if a while, I am letting the sun do its magic.

As for parts, I am