Wall Fitting, O-Ring, Leveling Ring, and Nut for the Suction Fitting Assembly on 2004+ J-300, 2005+ J-200, and 2006+ J-400 Series JACUZZI® Spas. NOTE: Figure 3, 4, and 5 Only. Includes Wall Fitting/Nut(6540-565), O-Ring(6540-620), and Leveling Ring(6540-619). (Click the diagram on the left for a larger, actual image)