Shower Rail Kit, Hand Shower
From Amazon
GROHE GRT 1000 Cosmopolitan THM BRS AP +Brs UK
Wayfair
Grohe Grohtherm 1000 Cosmopolitan Thermostatic Shower Mixer & Kit
Travis Perkins
Grohe Grohtherm 1000 Cosmopolitan Thermostatic Shower Mixer with Shower Set - Chrome