...These are the segmented filter elements used on the 906, 910 and RSR racing engines. The individual filter-discs are available in either metal or plastic (the metal-discs being the more disirerable of the two). These individual filter-disc elements use a very fine plastic-mesh to trap the very small particles found in the oil of the lubrication system. Each disc can be easily cleaned and re-used over and over making these filters very economical to maintain. Take a look...