Starting Collar
A starting collar (also known as a duct collar or joiner) is a cylindrical metal fitting used in HVAC systems to create a secure connection point for attaching round ducts or flexible ducts to plenums, air handlers, or other ductwork components. It ensures airtight airflow transfer and is essential for branching duct systems.
Description
Material: Made from Galvanized Steel, Corrosion-resistant and durable for long-term use.
Sizes: Available in standard diameters 4″, 8″, 16″to match duct dimensions.
Adjustable: Some models include adjustable collars for flexible sizing.
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