Villeroy & Boch Subway 3.0 Toilet Setconsists of:Toiletwashdown modelrimless thanks to open rim, which means less hidden areas for deposits & contaminationinnovative water flow for a perfect flush result with reduced water consumption (TwistFlush)flush volume: 3 litres with the small button, 4.5 litres with the large button (AQUAREDUCT® water saving system)includes set of fittings (SupraFix)