A Peristaltic Metering Pump with Manual control, Adjustable control for 20:1 turndown, Dry Contact or Flow Switch input or 7-Day/8-Event Timer control. Provides dosing from 4 GPD @ 125 PSI to 80 GPD @25 PSI. Available with Norprene Tubing for a wide range of chemical compatibility. Each pump is complete with bleed valve, tubing, foot valve and 1/2"NPT injector to complete any installation.