Maker Box Filament Spool - 180mm total diameter

I've been with Maker Box for a period of time, but the loose filament poses a challenge. I tried many different filament spools, but I found that none were well suited to the Maker Box filament. I tried many, but I was never happy. Some were too small spool size, so the filament would spring open even after leaving them on the spool taped in place. Others I wouldn't print because it was way too much material cost to build. I tried using spent filament rolls from 0.5kg and 1kg rolls, but they usu