Stenner Pumps has manufactured peristaltic metering pumps since 1957. One of the apprehensions of a peristaltic metering pump is replacing the tube. Stenner has the answer with two methods, the QuickPro® (patent pending) and the Econ quick release patented pump head. Both are easy and fast, plus tools are not required. Stenner products have been used for decades in a variety of chemical injection and water treatment applications.