Watson-Marlow’s Qdos 30 and Qdos 60 peristaltic metering pumps are designed for disinfection, pH adjustment and flocculation of drinking water, wastewater and industrial process water. The Qdos range handlesflow rates from 0.001 to 15 gallons per hourat 100 psi and was specifically designed to reduce chemical metering costs, compared to conventional solenoid or stepper-driven diaphragm metering pumps. Simple installation and easy, tool-free maintenance ensures that the total cost of ownership is minimized.