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The Southland 521-704BG is a ground joint malleable black iron union manufactured by Mueller B&K. This product is designed to connect two pipes in plumbing and HVAC systems. It provides a strong and reliable joint suitable for various applications.
The Southland 3/4 In. Ground Joint Malleable Black Iron Union is ideal for plumbing and HVAC needs.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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