make a offer . they sell for $900 each new call 505-554-1861 or 505-463-7616 or 505-315-5040 They are GREENHECK model: GB-161-5 HP: 1/2 CFM: 1800-3000 RPM: 1722, 110 hookup will take $200 each Location: alb it's NOT ok to contact this poster with services or other commercial interests newmexico