Hansa Hansatwist 1 x shower mixer Single lever mixer wall mounting, DN15 with safety device Backflow preventer S-connections, cover(s), silencer Flow rate at 3 bar: 16.8 l/min. ø 3.5 classic control cartridge with ceramic sealing discs for water quantity and temperature adjustment Fitting body: dezincification resistant brass (DZR) Temperature limiter Hot water lock adjustable (included in delivery).