Mechanical meter dispenses and totals in quarts only. Recommended for motor oil, gear lube and automatic transmission fluid. U.S.A. Flow (GPM): 0.25 - 8, Max. PSI: 1,500, Inlet Port (in.): 1/2, Outlet Port (in.): 1/2, LCD Display: No Features 4-digit resettable totalizer;6-digit accumulative totalizer12in. flexible hose with s...