VALUE OF $2,500 USD each. Abatement Technologies HEPA Filtration Unit. Model Predator PRED1200. 900 CFM Capacity. Variable Speed. Triple Filtration including a HEPA Filter. Operates on standard 120V. Low power consumption, use less than 3.5 Amps. Can be used vertically or horizontally. One of the machines is missing a filter. Everything works very well and is ready to work. Priced at only $750 each or $1,400 for both.