Waterproof 2 Inch Water Flow Meter, 16–160 GPM Digital Turbine Flowmeter with N
Flow Range 16-160 GPM (60-600 LPM) 16-132 GPM (60-500 LPM) 1-13 GPM (4-50 LPM) 2.4-26 GPM (9-100 LPM) 1-13 GPM (4-50 LPM) 21-264 GPM (80-1000 LPM) 21-264 GPM (80-1000 LPM). Blow air at the turbine to check for blockage.