GROHE Shower Set, Lineare New Collection, 1.75 gpm Shower Flow Rate, 7-7/16 in Dia x 2-7/8 to 3-11/16 in D Trim, 1222 Pressure Balanced, 1/2 in MNPT Valve Inlet Connection, Hand Shower: No, For Use With: Grohsafe® Model 35 015 Rough-In Valve, StarLight® Polished Chrome, Import