Proactive 12 Volt Low Flow with Power Booster III Controller

With the Low Flow Sampling Controller the user can precisely control the water discharge with the turn of a knob. The Low Flow Sampling Controller is used to achieve low flow sampling as low as 40ml/min. in accordance to EPA field sampling guidelines.   

Simply hook the controller to a car battery and connect the pump to the Controller. Set dial to low, turn on device and then increase the flow to the desired flow rate.