Used Sly impingent gas scrubber consisting of (2) model 215 polypopyle towers and (2) 5HP NY blowers with XP motors. The unit was designed to operate at 850 cfm, 7 gpm at 11.5 ph and 15 feet of packing would reduce the H2S from 5000 ppm to 1 ppm. - Year Built: 1990