A Solenoid Metering Pump with Integral 7 Day 8 Event Timer, Stroke Length and Frequency adjustments, 100:1 turn down on 115V power. Provides timer controlled dosing from 12 GPD @ 80 PSI to 48 GPD up to 100 PSI. Available in PP, PVC or PVDF materials with Degas options and Viton or TFE seals with Ceramic check balls; contact us for other material needs. Each pump is complete with bleed valve, tubing, foot valve and 1/2"NPT injector to complete any installation.