Enviroseal industrial vacuum systems utilize the proven SIHI liquid ring vacuum pump. Specifically designed for applications where others fail, systems are supplied as self-contained, radiator cooled units with capacities to 600 ACFM. Sterling Fluid Systems (USA), Inc. (See Peerless Pump & LaBour Pumps Brands) 2005 Dr. M.L. King Jr. St., P.O. Box 7026 Indianapolis, IN, 46207