Versatile Compatibility: Engineered for seamless integration, this thermostatic mixer valve is compatible with both built-in and square rod thermostats. It's designed to work flawlessly with a variety of shower systems, ensuring a perfect fit and optimal functionality in your bathroom setup. Essential Replacement: If you're experiencing inconsistent water temperatures, it's time to replace your thermostat. This brass replacement cartridge ensures stable temperature control, preventing fluctuations from hot to cold, thus enhancing your shower experience. Precision Temperature Management: This brass replacement thermostatic cartridge allows for meticulous temperature adjustments. Set and maintain your desired water temperature effortlessly, eliminating the need for continuous manual changes and ensuring a consistent shower temperature. Effortless Installation Process: Upgrade your shower system without the hassle of drilling or complex installation steps. This thermostatic mixer valve is designed for easy installation, making it an ideal choice for quick bathroom upgrades and repairs. Colour:Photo Color Material:brass Package Contents: 1 x filter element Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.