Fuel Filters Set, Filter Fuel Type Biodiesel, Diesel, Filter Design , Larger Filter is A Coalescer, Smaller Filter is A Fuel/Water Separator, Micron Rating 3 micron, Height 9 11/16 in, 11 5/8 in, Length 9 11/16 in, 11 5/8 in, Width 4 in, Outside Dia. 4 in, Inside Dia. 13/16 in, 1 3/16 in, Includes (2) Grommets Attached, F. Gasket, O-Ring, For Use With Marine Applications, Gasket Material Nitrile