The filter for hydrocarbons are are designed to meet the needs of high pressure diesel common rail injection systems. This filtering system can filter from 18 rpm to 60 rpm depending on the installed components and the type of fuel to be filtered. The unit housing is fixed on the filter head, pressed with aluminum that has four bolts. The filters for fuel or water are versatile and the separator has 3 filtering elements to meet different needs. The 3 available elements are water separator coalescent element, solid filter element, and the water absorption element.