<ul> <li>UV filter (ultraviolet) for protection against dust, dirt, scratches, fingerprints and the sun's ultraviolet rays.</li> <li>Circular Polarizing Filter. Used to increase color saturation, like darkening blue skies so that white clouds stand out.</li> <li>FL-D filter (fluorescent) for taking pictures indoors under fluorescent lights. This filter removes the greenish tint given off by fluorescent lighting.</li> <li>Compact protective carrying case for transporting and storing your set of filters.</li> <li>10 year warranty</li> </ul>