1.exchange valve could control the function of shower head, top shower, and small spray. 2.material:toughened glass faceplate 1.Material: toughened glass faceplate and aluminium back-plate2.Head shower: Inbuilt 1)hand-held shower: ABS, chrome finish,five function(different function ,different size ,different color for choice)2)Jets: ABS, chrome finish, self-cleaning, movable massage nozzles3.)top ...