Gemco Twin Shell Formulator, 20 Cu.Ft., 304 Stainless Steel Construction, rated Full Vacuum Internal Jacketed for 30 PSI @ 350 deg.F., Liquid Feed Intensifier Bar Driven by 5 HP Motor with Variable Speed Sheave, 2 HP Reeves Variable Speed Shell Drive, Gemcomatic Feed and Discharge with Gemco Dust-Tite Solids Valve, Standard Top Access Ports with Covers, on Stands.