【COMPATIBLE WITH】: Compatible with American Standard 7381424-100.0070A Vormax toilet, including VorMax Plus, Heritage VorMax, Estate VorMax, and High Efficiency series. Good sealing to prevent toilet from self - flushing or ghost flushing. 【AMERICAN STANDARD】: American Standard 7381424-100.0070A. When the toilet tank flapper seal gasket does not tightly reseal the flush valve, water will continue to flow into the toilet, causing the water level in the tank to never reach the level necessary to turn off the water supply valve. These baffle seals can help you solve the problem. 【DURABLE MATERIAL】: The toilet tank silicone flapper seal gasket are made of durable silicone and tested through a rigorous quality control process. With excellent cold resistance and sealing, longer service life, more durable sealing, not easy to deformation. 【EASY TO INSTALL】: First, you need to find the side that is leaking, drain the water in the tank, remove the old silicone seal, replace it with a new one, and then fill the tank. Installation is simple and can be completed in a few minutes. Precise fit for quick installation without tools. 【PACKAGE INCLUDE】: The package consists of 4pcs toilet flapper seal gasket, which are 3 inches in diameter and have 5 clasps to match the mounting holes of the baffles assembly. They can help you solve the problem of toilet running, self-flushing or ghost flushing, avoiding expensive maintenance costs and high water bills caused by water tank leakage.