Smart Flow Meter Water with FortrezZ Z Wave Plus Technology
Polysulfone In-Line Flow Meter with Polysulfone Connection - Water, 2" GPM/LPM or GPH/LPH Scales, No Valve
Water Meter, 15mm Water Smart Flow Meter or 1/2 inch Cold Water Meter with Fitting, Practical Water Meter for Garden & Home Usage: Amazon.com: Industrial & Scientific