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Our Start Collars provide an economical solution for beginning new duct runs from supply or return plenums.
Manufactured from high-quality galvanized sheet metal, these fittings are built for durability, strength, and dependable HVAC system performance.
Start collars help create a clean, secure connection point for branch duct runs while supporting proper airflow throughout the duct system.
Shop our premium HVAC start collars today for reliable installation, professional results, and long-lasting ductwork performance.
26-gauge galvanized steel duct board starting collar with top tabs and an attachment flange, available in 5-inch through 20-inch sizes.
Galvanized steel 20-inch dovetail start collar with integral attachment tabs for creating a round HVAC branch connection.
Galvanized steel 9-inch dovetail start collar with integral attachment tabs for creating a round HVAC branch connection.
Galvanized steel 6-inch dovetail start collar with integral attachment tabs for creating a round HVAC branch connection.
