USA manufacturer, est. 1957, 3-day lead time. Stenner manufactures peristaltic metering pumps for reliable & accurate injection to treat problem water or inject additives into an industrial process. Self-priming pumps, no vapor lock or prime loss, simple tube replacement. Compact or robust models with various activation modes. Several robust models have leak detection, back-up pump capability, output relays and enclosed housing. Several pumps available as a tank system or meter system.