The all-metal design, one-piece shower valve is constructed of high-quality solid brass, and the sturdy brass construction can prevent corrosion and make the waterfall shower set longevity, you can feel a good quality after you receive it. Advanced pressure balance ceramic disc cartridges with cups certification can effectively protect you and your family from scalding injury caused by sudden changes in hot water or cold water pressure. Comes with installation instructions, making your installation more easily. Just switch the diverter knob to select a 10" shower head, hand shower, or tub spout to start your wonderful & relaxed shower, u.S.Standard 1/2" npt thread connector, you don't need to worry if the connector will fit your pipe thread or not anymore.