Southland 2" Ground Joint Black Iron Union is a high-quality black malleable iron union featuring an inserted brass seat for enhanced durability and a secure fit. Each fitting is individually flag-tagged and proudly displays the Mueller logo cast into its body, ensuring ity and superior craftsmanship. Imported and rigorously inspected, these unions are tested to meet strict quality standards, making them reliable for plumbing and gas applications where a tight, leak- connection is essential. Designed for ease of use and long-lasting performance, this union is a choice for professionals and DIY enthusiasts alike. Model Number: 521-708BG