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", and 2-inch water seal. Trip lever has chrome finish. Meets or exceeds the Standards NOM-009-CNA-2001 and ASME/CSA A112.19.2.