Ceramic Mandrel: The internal parts of N40HKC Shower Cartridge Replacement are made of ceramic, which is more durable than traditional internal plastic parts, ceramic cartridges have better sealing performance and can withstand high/low temperatures without deformation .Specifications: Max. Temperature: 85℃ (185℉); Max. Rotation Angle: 110°; Max. Pressure 20KPa. ABS valve body is resistant to wear and tear and has been rigorously tested by the manufacturer to ensure the shower works for a long time, up to 500,000 times Balanced Pressure and Temperature: Our pressure-balancing cartridge N40HKC precisely mixes hot and cold water to achieve the right temperature and pressure with the pressurization effect without sudden changes in water temperature, making it suitable for daily use Wide Compatibility and Precise Dimensions: Measuring 78mm long and 40mm wide, the N40HKC American standard shower cartridge is an exact fit for your bathtub or shower faucet and is compatible with many other imported/own-brand faucets Easy to Install: It only takes a few minutes to complete the installation by removing the old valve, replacing it with our N40HKC cartridge and reattaching the handle