【Perfect Compatibility & Precision Fit】Specifically engineered to replace the Delta RP71718 diverter cartridge. Perfectly compatible with Delta R11000 and R22000 series rough-in valves. This 1:1 precision-molded replacement ensures a seamless fit with your existing shower system—an ideal, high-quality alternative to expensive OEM parts. 【Upgraded Solid Brass, Built to Last】Tired of fragile plastic cartridges that snap or crack? Our RP71718 replacement features a heavy-duty solid brass body and premium ceramic discs. Engineered for superior resistance to wear, corrosion, and lime buildup, it offers a service life 3x longer than standard plastic versions, preventing handle stiffness and internal breakage. 【Say Goodbye to Leaks & Drips】Equipped with industrial-grade, high-density O-rings, this cartridge provides a rock-solid seal to stop annoying showerhead drips and leaks. The high-precision ceramic valve ensures smooth, silent switching between shower functions, even in hard water environments. 【3-Function Non-Shared Design for Max Pressure】Designed for 3-setting Non-Shared functionality. This allows you to control your showerhead, handheld spray, or tub spout independently. Not only does this comply with water conservation codes in specific regions, but it also ensures maximum water pressure by directing the full flow to a single output at a time. 【Easy 5-Minute DIY Install & Warranty】Save hundreds on professional plumbing fees! Our "plug-and-play" design allows for a quick installation with just a wrench and screwdriver. Restore your shower to like-new condition in minutes. We provide a [1-Year] warranty and 24/7 technical support—buy with 100% confidence. RP71718 3-Function Non-Shared Diverter Cartridge