HEPA Air Filter Remix 120mm Fan & 86889 Filters

thingiverse

This is a remix of MQ1991's HEPA filter system. https://www.thingiverse.com/thing:1831932 Many of the parts I used can be found on Cybertron3D's Lack enclosure part list. https://www.thingiverse.com/thing:3374299 I reversed the direction of flow and added a chamber for activated carbon pre-filters. The pre-filter chamber is attached to the filter funnel using M4 screws. The base features 5mm holes for mounting, and I used hot glue to seal it to the top of my enclosure in addition to the screws. There's an option to secure the base to the pre-filter chamber with 3mm screws, but I don't find it necessary. I've also created a fan vibration dampener and gasket that I printed in TPU to add between the fan and the filter funnel. - Filters (86889) https://www.amazon.com/gp/product/B07BHDCFYC/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 - Activated Carbon Pre-Filters https://www.amazon.com/gp/product/B074MKZNFW/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 - 120mm AC Fan https://www.amazon.com/gp/product/B009OWRMZ6/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 - Optional Speed Controller https://www.amazon.com/gp/product/B00809BQZG/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1