B&K 3/4 In. Malleable Black Iron Cap is a reliable and durable plumbing fitting designed for various applications. Made from black malleable iron, this cap delivers strength, longevity, and excellent resistance to corrosion, making it for both residential and commercial plumbing systems. It ensures a secure and tight closure to prevent leaks and maintain the proper functioning of your plumbing setup. The malleable black iron construction enhances durability, allowing it to withstand different environments, including high-pressure and high-temperature conditions. Whether used in water supply systems, gas pipelines, or other plumbing installations, this cap provides dependable performance and lasting quality. Model Number: 521-404BG