Otoolling 12" x 12" Ceiling Box HVAC Ceiling Register Box, W/ 12" Round Collar, 22# Galvanized Steel Vent Boxes for Connects Register Vent and Diffuser HVAC, Includes 2 Hose Clamps

Additional Details from the Manufacturer

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• Ceiling box kit: this kit includes 1 piece 12" x 12" ceiling box with a 12-inch round collar and 2 hose clamps, which is designed to hold standard 12 x 12 inch registers, grilles, or diffusers securely, providing all the necessary components for installation, suitable for residential or commercial environments
• Built to Last: constructed form heavy-duty 22# galvanized steel single-wall structure, this ceiling vent box ensures durability and long-term reliability for both residential and light commercial HVAC systems, making it ideal for both new construction and retrofit projects
• Size Detailed: this HVAC vent box is approx. 4 inches/ 10.2 cm in height, with a collar height of approx. 2.95 inches/ 7.5 cm, the square section is equipped with standard plaster grounding flanges, allowing this ceiling box to seamlessly integrate with attic rafters, plaster, or drywall, making it an ideal choice for efficiently delivering airflow through ceiling vents
• Optimized Airflow Performance: vent box is designed to seamlessly connect to standard 12-inch round ductwork, the smooth interior and transition ensure efficient, unrestricted airflow, maximizing your HVAC system's performance and delivering uniform and comfortable airflow to homes, offices, and other indoor spaces
• Easy Connection to Ductwork: features a pre-attached 12-inch round collar for quick and hassle-free connection to your standard round flexible or rigid metal ductwork, saving you time on installation