Assured Automation WM-NLC Series Lead Free Brass Water Meter 1 1/2" Lead Free Residential Water Meter Totalizer Measuring in Gallons NPT Threaded, Flow Rate 5-100 GPM (will measure as low as 1.5gpm) Flow Rate 5-100 GPM (will measure as low as 1.5gpm), NSF 61 Annex G Certified Couplings Included, Horizontal Installation