The SEALFAST 500 BX is a 5" extra thick Buna-N gasket, designed for superior sealing performance in demanding applications. This gasket offers excellent resistance to oils, fuels, and chemicals, ensuring a reliable seal under pressure. Its extra thickness enhances durability and longevity, making it suitable for both industrial and commercial use. The Buna-N material provides flexibility and resilience, ensuring effective sealing in various environments. Ideal for professionals seeking quality and reliability.