Standard Flow Isolated Feed The isolated feed columns are used to monitor multiple single feed lines. For example, monitoring individual lines coming out of a squeeze pump. Isolated Feed Flow Indicators come in two different columns sizes, broken down by recommended flow ranges: Low Flow Column: 0.05 – 0.65 us gpm flow rates Standard Flow Column: 0.07 – 2.70 us gpm flow rates INLET FEED CAP NOT INCLUDED