IMPORTANT WARNING! ! ! Not compatible with other brand valve and cartridges.The old shower valve must be removed if install this kit CUPC CERTIFITATION PRESSURE BALANCE VALVE : Pressure balance valve cartridge, brass valve body, the flow of cold and hot water can be adjusted through the settings on the left and right sides. Designed for use with standard 1/2" U.S. plumbing connections. Products are in compliance with the following standard(s): ASME A112.18.1-2018/CSA B125.1-18 HIGH FLOW RATE TUB SPOUT: 5.9 inch tub spout length,unrestricted flow rate fills tubs quickly. 35-Mode Multi Shower: You can use two Showers Heads separately，or use Fixed Mount Showerhead and Handheld Shower with Hose both together for a choice of 35 full and combined water flow patterns! Patented 3-way Water Diverter,can easily switch between top spray and hand shower.Adjustable shower seat provides you with a suitable shower angle, everything is very user-friendly. TUB SHOWER PACKAGE INCLUDE: shower valve with valve trim, handheld&rain shower head, 6" shower arm, 59-inch shower hose, shower holder,5.9” tub spout with diverter.