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The Mitchell Metal Products 1903-50820 is a start collar designed for use with ductboards. This collar has a diameter of twenty inches and features a tab-lock design. It is engineered to work with both one inch and one and a half inch ductboards, making it a versatile choice for various HVAC applications.
This start collar facilitates connection points in HVAC systems, ensuring secure and efficient airflow throughout the ducting system.
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