35$ six inch inline fan 35$ carbon filter in grow tent dept

Sucks up dust dirt dander into the hepa liner, and the carbon filter takes care of any obnoxious VOC's

https://www.amazon.com/gp/aw/d/B08HCM99CN/ref=ox_sc_act_image_1?smid=A1SQ7RA6KKY3P8&psc=1

https://www.amazon.com/gp/aw/d/B094VH74VV/ref=ox_sc_act_image_2?smid=A2632EH88DBJNM&psc=1