The SEALFAST 250 BN is a 2 1/2" Buna-N gasket featuring a blue stripe for easy identification. This high-quality gasket is designed for reliable sealing in various applications, providing excellent resistance to oils, fuels, and chemicals. Its durable construction ensures a long service life, making it ideal for industrial and automotive uses. This gasket meets industry standards, ensuring compatibility with a wide range of systems. Trust SEALFAST for effective sealing solutions that enhance the performance of your equipment.