hansgrohe Supplies: Adapter plate for iBox universal 2, Item No. 13588000 | hansgrohe INT
Hansgrohe 3/4 in. iBox Universal Plus Rough with Service Stop 01850181 - The Home Depot
hansgrohe FixFit Handheld Shower Wall Outlet 1/2-inch Thread Connection Round Modern Flush Mount + hansgrohe iBox Universal Leak Preventing Valve Rough-in with Service Stop for Standard Shower Trims - Amazon.com