Badger Recordall Cold Water Bronze Disk Meters there are approx: 12 units available, all purchased in 2004 and never used. Model R 25(5/8 x 3/4 Bore Dim). Flow Rate: 1/4 -15 GPM. Measures water flow utilizing nutating disk, positive displacement Max. operating temp: 80 Deg. F Max operating pressure: 150 PSI. Units still in original package