(2) Used 1,600 gallon Gunthard Reactors, 316L stainless steel construction, 6' diameter X 7' straight side, dished top and bottom, rated 60 PSI at 270 F internal, jacketed for 80 PSI at 330 F., top entering 7.5 HP Lightnin Agitator with mechanical seal, 20" manway, (2) 4", (2) 3", (1) 2", (2) 1.5", (3) 1", (1) 3/4" top nozzles, 3" and 5" bottom outlets, on legs, serial#'s 73169 and 73170, national board#'s 328 and 329, built 1974.