General Compatibility: Designed to fit a wide Ranges of toilet models with 2 inch or 3 inch drain Adapter, making it ideal for home, hotel, and commercial restroom installations Effective Sealing: The rubber sealing Rings provides a tight and leak proof connection between the Tanks and toilet bowl, reducing maintenance frequency Premium Component: Produced from high strength and rubber, ensuring excellent wear resistance, Erosion resistance, and long lasting even in humid environments Package Includes: This set contains 4 Strong toilet fixing screw rods with rubber sealing rings, Suitable for both 2 inch and 3 inch drain Adapter for versatile installation needs Easy Installation: Features a tool Easy design for quick and Easy setup, perfect for users and property maintenance Professional seeking a fast and Stable solution, Manufacturer: Mekalero