The 4" x 4-1/2" Black Nipple by BOSHART is a robust plumbing fitting designed for secure pipe connections. Constructed from high-quality black iron, this nipple offers excellent durability and corrosion resistance. With dimensions of 4 inches by 4-1/2 inches, it is ideal for extending pipe runs in various plumbing systems. This nipple is suitable for both gas and water applications, meeting industry standards for safety and performance. Its strong construction ensures reliable connections, making it an essential component for any plumbing installation.