FLOW METER This technologically advanced water flow and pressure meter with stainless steel paddle wheel helps your department meet testing requirements for your equipment. With solid state electronics and no moving parts to adjust, this equipment is easy to operate.   Features - A technologically advanced flow and pressure meter with stainless steel paddle wheel  - Solid state electronics with no moving parts to adjust  - Includes a heavy-duty storage case, 12V internal battery, 110V AC battery charger, 12V DC auto power supply cord  - 2 1/2" threads - NH only   Specifications Style 9301 Swivel Inlet 2 1/2" NH Outlet 2 1/2" NH