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The Southwark Metal 5518NC is an eighteen-inch end cap designed for ducting applications. This end cap is manufactured from 28 gauge steel and features a hot dipped galvanized finish. It is part of the 55 Series and is non-crimped for easy installation.
This end cap provides a secure closure for ducts while maintaining a clean and finished look.
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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