@emma FWIW, I ended up building a dry box for my filament to replace that spool holder and this top plug came in handy for passing the filament in from the top

https://www.printables.com/model/598083-prusa-enclosure-top-plug-ptfe-feed-tube-guide

Got this custom puzzle for the girl featuring Cheddars from @nervous_jessica and @nervous_jesse and friends. Hands down her favorite gift this season