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COLLAR 12″ – C-12 Galvanized Start Collar with Flange for Round HVAC Duct Systems
$2.94
The C-12 Start Collar 12″ delivers a strong, flanged connection from plenum or trunk to 12-inch round ducts, with galvanized steel construction for secure, efficient airflow.
207 in stock
The COLLAR 12″ (C-12) is a heavy-duty galvanized steel start collar designed for creating a secure and reliable transition from a plenum or ductboard trunk line to a 12-inch round duct. Ideal for both residential and commercial HVAC installations, this collar ensures stable airflow, tight sealing, and easy integration into your duct system.
Featuring a flat flange with multiple mounting holes, the C-12 provides versatile installation options using screws, rivets, or approved adhesives. Its 12-inch round diameter allows direct connection to flex duct or round sheet metal duct, enabling efficient air delivery to larger zones such as open-plan areas, common rooms, or light commercial spaces.
Crafted from corrosion-resistant galvanized steel, this start collar offers long-lasting durability and reduces energy loss by preventing air leakage at transition points.
Additional information
| Weight | 1.4 lbs |
|---|---|
| Dimensions | 13 × 13 × 3.5 in |
| Diameter | 12 inches (round) |
| Material | Galvanized Steel |
| Flange Type | Flat flange with pre-drilled holes |
| Application | HVAC ductboard or metal trunk to round duct |
| Installation | Screw, rivet or adhesive |
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