Measure cold and hot water flow rates with this compact, affordable water meter. The small-sized T-MINOL-130-NL is designed for deployment in apartments, assisted living communities, and other commercial buildings. Please note, the T-MINOL is configured for use with 3/4" pipes. (Use step-ups or step-downs to deploy the T-MINOL with 1/2" or 1" pipe diameters.)