High-quality ceramic bowl and soft close plastic board. Permanent-magnet motors and stainless steel shaft. 19-mm (3/4") inlet pipe and 25-mm (1") or 38-mm (1" 1/2) outlet pipe. Version with built-in suction pump + centrifugal grinder. Control panel INCLUDED. Spray Nozzle washing fitting for faster and more effective cleaning at very high pressure on all the toilet bowl surface.