Used Cornell Model# D-8 Versator, Sanitary T316 Stainless Steel Construction, 0-2 GPM, 8" Diameter Disc, Rated @ 2000 RPM Minimum to 6000 RPM Maximum, Driven by 2 HP, 3/60/ 230-460 Volt, Variable Speed drive, mounted on cart, with Nash Model AT-34 Vacuum Pump, Serial No. 9406.