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**High-Quality Construction**: Our duct box, made from durable galvanized sheet metal with crimped edges, guarantees straightforward installation and tight fittings.
**Dimensions & Compatibility**: This round ceiling box measures 12" x 12" x 8" and is specifically designed to work with a 12" duct. It is manufactured in the USA.
**Intended Use**: This ceiling outlet box, crafted from sheet metal, is perfect for connecting a round pipe to a square ceiling diffuser at a 90-degree angle.
**Functional Design**: The ceiling box features a manual volume damper within the duct, enabling precise airflow management. Additionally, the square section is suitable for either securing connections or being folded over.