Specifications： Brand：HUATOL Material: Brass Installation type: Into The Wall Concealed Internal Thread Seat Diameter: 5.90 inches Opening Mode: Wrench Type Inlet and Outlet Pipe Diameter: 5.90 inches Note： 1.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 2.Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Please don't mind, thank you!