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The B&K 521-405BG is a one-inch malleable black iron cap designed for sealing pipe ends in plumbing applications. This cap is made from durable malleable iron, ensuring long-lasting performance in various environments.
This cap offers a reliable seal and is easy to install, making it a necessary component for any plumbing professional.
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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