1.Premium Material and Exquisite Craftsmanship: Made from high - quality brass, this 40MM three - hole precision faucet cartridge ensures durability and resistance to corrosion. The brass material is not only long - lasting but also provides a solid and reliable feel. The manufacturing process is highly precise, with smooth surfaces and tight tolerances. Each component is carefully crafted to ensure optimal performance, making it a reliable choice for long - term use in your bathroom or kitchen. 2.Unique High - end Idle - running Design: The high - end idle - running feature allows for smooth and effortless operation. With a simple turn of the faucet handle, you can easily adjust the water flow and temperature. The idle - running mechanism reduces friction, providing a more comfortable and user - friendly experience. It also helps to extend the lifespan of the cartridge, as there is less wear and tear during operation. 3.Single - seal Precision for Leak - proof Performance: Equipped with a single - seal precision design, this faucet cartridge offers excellent leak - proof performance. The high - quality sealing ring effectively prevents water leakage, ensuring that your faucet remains in top - notch condition. Whether it's for daily use or during long - term operation, you can trust that this cartridge will keep your faucet running smoothly without any annoying leaks. 4.Efficient Cold - hot Water Mixing Function: Designed specifically for cold - hot water mixing, this cartridge allows for precise temperature control. You can easily adjust the proportion of cold and hot water to achieve your desired temperature. Whether you prefer a warm shower in the morning or a cool rinse in the summer, this cartridge provides accurate and consistent temperature regulation, ensuring a comfortable and enjoyable water - using experience. 5.Easy Installation and Wide Compatibility: With its 40MM size and three - hole design, this faucet cartridge is easy to install and compatible with a wide range of faucet models. It comes with clear installation instructions, making it convenient for both professional plumbers and DIY enthusiasts. Whether you're renovating your bathroom or upgrading your kitchen faucet, this cartridge is a perfect fit.