Uploaded August 2022 | Updated September 2026, 3 weeks ago

---

OTB Thinker. Air Filtration Units (afu) are important for clean shop air. One is not enough. You need one central afu and at least one mobile afu for the shop. You can make an afu with any fan. Lety me show how. Links below to individual afu's.

Links:
youtube.com/watch?v=Cz_5hGWt-kI&t=168s
youtube.com/watch?v=xgUGmyUhG5c&t=130s
youtube.com/watch?v=Thp__uRaHyc&t=63s