The SEALFAST 4" PTFE ENCAP W/ SILCONE is a specialized encapsulated seal designed for high-performance applications. This 4" seal features a PTFE construction that offers excellent chemical resistance, making it ideal for use in harsh environments. The silicone encapsulation enhances flexibility and ensures a tight seal, preventing leaks in fluid transfer systems. This product is perfect for applications requiring high-temperature resistance and compatibility with various fluids. Its robust design ensures durability and reliability, making it a preferred choice in industrial and automotive sectors.