With an increased filtering capacity to 558 square inches, these 12-1/4″ long by 5″ diameter Series 900 heavy-duty assemblies provide optimum filtration for large displacement diesel engines used in marine, mining, industrial or agricultural applications. And with the ability to simply clean the element, as opposed to constantly purchasing new spin-on filters, the long-term savings are immense. Ease of installation is assured thanks to a built-in drain plug in the inspection cap. Available with 1-1/2″ x 12 and 1-1/2″ -16 thread and choice of 35 or 75-micron filter elements.