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The SOUTHWARK METAL 553NHNC is an end cap from the NHNC series designed for three-inch round ducts. It is built using twenty-eight gauge steel and features a hot-dipped galvanized finish for durability.
This end cap is ideal for professional HVAC installations, ensuring secure connections and reliable performance in ventilation systems.
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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