The 1-1/4'' FS 3M THD CAP from Capitol Manufacturing is an essential fitting for any plumbing or industrial system. This cap features a 3M thread design, ensuring a secure and leak-proof seal. Made from high-quality materials, it is built to withstand various environmental conditions, making it ideal for both indoor and outdoor applications. With a size of 1-1/4 inches, it is compatible with standard piping systems, providing versatility in installation. This cap meets industry standards for quality and performance, making it a reliable choice for professionals.