At first glance, it appears to have lower negative pressure and a much higher filter surface area than most air purifiers. AFAIK PC fans are designed to move a

At first glance, it appears to have lower negative pressure and a much higher filter surface area than most air purifiers. AFAIK PC fans are designed to move air at low pressure while quality air purifiers are designed to handle more pressure. Other than that, it’s a neat writeup. Would like to see a follow-up with static pressure considerations.