Blue White Flow Meter- Blue White 2 - 40 - 150 Gpm
Swimming pool flowmeters - 2 in. pipe
Blue-White flowmeters measure the flow in your return line, in gallons or liters, per minute. Drill a hole and mount the flowmeter with the included clamps. Bobbin float indicated rate of flow.
This model is for 2 in. pipes, and measures from 40-150 gpm.