Drybox IKEA samla 22l

Combine with a IKEA samla box and you have your own drybox that fits 4x 1kg spools.See IKEA box here: https://www.ikea.com/se/en/p/samla-box-with-lid-transparent-s69440822/#contentand you can use this tube: https://www.ikea.com/se/en/p/hultarp-rail-nickel-plated-90444432/ The files contain a silica gel box that also works as a filament holder. You have to add your own 16mm steel or allu tube.