◇ Car 4 Digits Fuel Flow Meter Large Screen Display 5‑30GPM 20‑120L/Min High
Used in Diesel, Gasoline, Kerosene. Accumulative Counting Digits: 8 Digits. Entrance Size: BSPT / Npt 1in. Flow Rate: 20-120L / min. 1in / 2.5in. Flow Rate: 20-120L / Min. This is normal. Just wipe it clean, it will not affect subsequent use;.