Anycubic Spool Holder Filter and Guide

I used to put my spools on a shelf over the printer.

I wanted to add a filter and i didn't like the meshed look that i had on the shelf so I've designed a filter that snaps on the spool holder (standard acrylic included with the printer). In addition, I've also designed a piece that is assembled in the printer structure and works together with a PTFE tube and the filtes as a guide for the filament.

Why double filter and double guides? Just because the last PLA spools that i bought (brand