Diy pc fan air purifier build video
Spent around $100 or so for materials on this (7 sickleflow fans and the power cord and wires and such) plus 2 20x30x1 merv13 filtrete filters from costco.
Spent around $100 or so for materials on this (7 sickleflow fans and the power cord and wires and such) plus 2 20x30x1 merv13 filtrete filters from costco.