Hansgrohe 3/4 in. iBox Universal Plus Rough with Service Stop 01850181 - The Home Depot
hansgrohe iBox Universal Leak Preventing Valve Rough-in with Service Stop for Standard Shower Trims + hansgrohe 16181181 Exposed Thermostatic Basic Set - - Amazon.com
Hansgrohe ShowerSelect Round Thermostatic 2-Function Trim - Chrome - Schillings