Ready to install unit includes plastic seat, wax ring, flange and bolts, bolt caps, tank trip lever, installed tank fittings, warranty and installation instructions. Features include siphon jet action to provide maximum performance in a single flush "Does not clog" with 3 flush valve, 1-7/8 In. Trapway, 8 x 9 In. water surface area, and 2 In. water seal. Trip lever has chrome finish. Meets or exceeds the Standards NOM-009-CNA-2001 and ASME/CSA A112.19.2. 5 Year Warranty on ceramics.