*Ordinary Compatibility: Designed with a 3/8" brass connector that easily converts to a 1/2" connector, this valve is compatible with most common water containers, insure flexibility and ease of use across various setups. *Versatile Applications: Suitable for both plastic and porcelain toilets, this valve seamlessly integrates with most of water tanks, providing a reliable solution for a wide range of toilet models. *Adjustable Water Quantity: This innovative flush valve allows for precise adjustment of the rinse water volume, helping you control water usage effectively and reduce your overall costs while maintaining optimal performance. *Good Brass Connectors: The filling valve features robust copper connectors that enhance durability and resilience against mechanical stresses, significantly minimizing the risk of leaks in your water system. *Quick and Easy Installation: The user-friendly design enables installation in just minutes, even for those without prior plumbing experience, promoting an environmentally friendly and efficient setup.