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The Crown Products 7146 is a six-inch start collar designed for use with rectangular ducts. This product features a damper and a Therma Seal gasket, ensuring reliable airflow management and sealing. It is sold by piece with forty units per carton, making it a practical choice for contractors. The collar is made from galvanized steel, which offers durability and long service life.
The Crown Products start collar is ideal for HVAC applications, facilitating easy connections to duct systems.
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