Flow rate of 5 to 20 GPM. Accurate to within +/- 2-percent. NPT female inlet and outlet flow ports. 50 PSI max pressure. Meters fluid at temperatures - 15 to 150 degrees Fahrenheit. Diesel fuel max viscocity, compatible with diesel, gasoline, kerosene, mineral spirits, heptane, and hexane. Weatherproof, corrosion resistant. Register indicates up to 99.9 gallons. Zero reset unit wheels have large 11/16" figures. Large, easy to read numbers. Totalizer registers to 99,999.9 gallons. Compact design, 8" x 6" x 6". Convenient, large, quick reset knob with positive zero stop. Furnished for horizontal piping, left to right flow. Not for resale use. CUL/UL Listed. Kit includes meter with fittings to add to Nos.112, 122, FR152, FR162, FR1210C, FR610, and FR700.