Air purifier built from a 120mm PC fan.

Components required:

- 120 mm PC fan

- 170 mm Activated carbon fleece https://www.amazon.de/Aktivkohlefilter-Kompostbeh%C3%A4lter-Biom%C3%BClleimer-Universalgr%C3%B6%C3%9Fe-Schnittvorlage/dp/B09F65PNL3/ref=sr_1_3?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&keywords=aktivkohlefilter+vlies+rund&sr=8-3

- switch https://www.amazon.de/Gebildet-Kippschalter-Schiebeschalter-Positionen-Verriegelung/dp/B0BTM3WQXN/ref=sr_1_5?keywords=schalter+klein&qid=1700408465&sr=8-5

- USB plug https://www.amazon.de/RUNCCI-YUN-Adapter-PCB-Konverter-Modulplatine-Netzteil-Steckbrett/dp/B08ZML34CK/ref=sr_1_20?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&crid=3I71SROV7485R&keywords=micro+usb+einbaubuchse&qid=1700408414&s=ce-de&sprefix=micro+usb+einbaubuchse%2Celectronics%2C91&sr=1-20

- Step up converter https://www.amazon.de/dp/B0BF51R5GG?ref=ppx_yo2ov_dt_b_product_details&th=1

To use the cleaner with a standard cell phone charger, either a 12v fan with a step up converter should be used or a 5v fan so the converter is not needed.