HEPA + Charcoal Filter - Noctua 120mm

Hello! Here is my design of air filter for my enclosed or not printers! I designed it for these HEPA filters: https://fr.aliexpress.com/item/33037955841.html?spm=a2g0s.9042311.0.0.27426c37H91RYB And finally I decided to use a 120mm Noctua Fan (Noctua NF-F12 exactly). As the Noctua fans comes with a lot of accessory my design is made so that you'll only need the fan and the prints. You don't need to buy any screws! For powering the fan you only need to connect to the 12v of you