Separate the two, the diesel fine filter is a diesel fine filter designed for the two-stage filter that is currently commonly used in diesel engines. It forms a two-stage filter together with the diesel fuel water separator. The fuel water separator is used to filter the water in the diesel.

1. Excluded, separate, different concepts, the role of diesel filter is to filter out harmful impurities and moisture in the fuel system, protect the normal operation of the engine, reduce wear, avoid clogging, and increase engine life;

2. The fuel water separator is a device, divided into two types: catering fuel water separator and industrial fuel water separator; catering fuel water separator is used in the catering industry to treat sewage. Due to the requirements of environmental protection, the sewage generated by the ship's machinery spaces discharged into rivers, lakes and seas must be treated, and industrial fuel water separators must be used;

3. The function of the diesel filter is to filter out harmful impurities and moisture in the fuel system, protect the normal operation of the engine, reduce wear and tear, avoid clogging, and improve the life of the engine

4. Diesel fine filter is a diesel fine filter designed for the current two-stage filter commonly used in diesel engines. It forms a two-stage filter together with the diesel fuel water separator. The fuel water separator is used to filter the water in the diesel, and the diesel fine filter is the fine particles in the diesel.