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The MUELLER INDUSTRIES 521-004 is a 3/4" imported black malleable iron cross fitting. These 150# malleable iron threaded fittings feature FIP x FIP x FIP x FIP end connections. These galvanized products are zinc-coated for water applications and meet all low-lead requirements. These iron fittings undergo rigorous testing and quality inspections.
The Mueller Streamline cross fitting is ideal for creating four-way connections in plumbing and other applications.
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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