Gardner-Denver air compressor, twin cylinder, with a newer 5 horse Baldor motor, 220 volt. It has a large tank, as pictured, with no problems. Comes with all attachments seen, start box, ready to hook your 220 wire to. It says 3 phase also, but was wired with one strand of 12-2 wire. 220 psi. Offers considered after only after you look at the unit.