<ul><li>40 available lengths, with 2 to 41 emitters, up to 2500mm/8.2 ft long</li><li>High speed or energy saving cartridges in tungsten or single crystal silicon</li><li>16 metric and inch sized fitting choices available</li><li>3 high-voltage cable lengths available</li><li>2 bracket styles available</li><li>Plug available for single side entry of purge air line</li><li>Optional drop prevention covers retain cartridges if unexpecedly unlocked</li></ul>