| Racor Turbine Series 500MA Water Separating Diesel Fuel Filter Replacement Element. The 2010SM-OR is 2 Micron for Secondary or Final Filtration and has a Brown end cap. Besides repelling water and tiny solids, asphaltenes, algae and rust are filtered from fuel by the Aquabloc II element. The Aquabloc II elements are waterproof and remain effective longer. | 
