Material: Made from high-quality POM, this accessory promises long-lasting durability and resistance to wear and tear, ensuring optimal performance. High Compatibility: Perfectly designed to fit hidden water tanks, this pneumatic double button switch ensures seamless functionality with your existing setup. Efficient Design: Features a dual flush system that allows for effective water saving, making it both eco-friendly and economical. Easy Installation: Engineered for hassle-free installation, this panel can be set up quickly without the need for professional help, making it a convenient choice for DIY enthusiasts.