USA manufacturer with 3-day lead time. Est. 1957, Stenner Pump Company manufactures peristaltic metering pumps for reliable & accurate injection to treat problem water or inject additives into a water system or industrial process. Self-priming pumps without vapor lock or loss of prime and toolless tube replacement. Robust or compact pumps include variable speed, proportional, flow activated, 1:128 medicators and electromechanical. Some models available as a tank system or a meter system.