Comfort thermostat concealed for 2 outlets: such as handheld shower and shower head High-quality pressure balanced cartridge which controls the Water flow, volume, and temperature Quiet operation: The use of the iBox Universal Plus Rough reduces in-wall vibration and resulting noise during use The single handle allows you to conveniently control water volume and temperature Built to last: Brass internal components compliment a polymer trim plate for a surface that is resistant to dents, chemical corrosion, and mineral accumulation Includes handle, sleeve, function block, and escutcheon Bold contrast: Trendy matte black is a good fit for modern architecture Required parts: This product requires the iBox Universal Plus Rough (Part No. 01850181) for Installation Installation notes: Hansgrohe recommends a licensed plumber install this product