About this item 1. C-UPC certified and anti-scald cartridge: Ensure 5 years no-leakage of cartridge.advanced pressure balance ceramic disc cartridge with C-UPC certification can effectively protect you and your family from scalding injury caused by sudden changes in hot or cold water pressure, maintaining consistent safe water temperature. 2.Shower systems with rain shower and handheld, rough-in valve with standard American NPT 1/2" male threads for firmly connection and good sealing, avoids any leakage and prevents flooding in your house. 3.Cold and hot water inlets with non-return check valves, prevent backflow and water hammer, reduce the noise when you turn on the faucet. It can protect your other facilities in the waterways. 4.Shower system brushed nickel with pressure regulating valves in its cold and hot water inlets, avoids the big pressure difference between cold and hot water, so the mixing water can be continuous supplied. California CEC list (1.8GPM 6.8L/MIN) 5.If customers install rough-in valve in improper depth, in order to reduce customer losses, customize parts can be provided. 5 Years no-leakage warranty for cartridge, we will response customers' service requests within 24 hours by phone or email. › See more product details