The shower valve body, hand shower, and shower holder are constructed of high-quality solid brass, the sturdy brass construction can prevent corrosion and make the waterfall tub faucet longevity, you can feel a good quality after you receive it. Advanced pressure balance ceramic disc cartridges with CUPC certification can effectively protect you and your family from scalding injury caused by sudden changes in hot or cold water pressure. Male threaded 1/2" NPT inlets, u.s. Standard plumbing connections, you don't need to worry if the connector size will fit your pipe thread or not; comes with installation instructions, making your installation easier.