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The Gray Metal South 6-404D is a six-inch duct board tab collar designed for HVAC applications. It provides an efficient connection point for duct systems without the need for a damper. This collar is made from durable galvanized steel, ensuring longevity and resistance to corrosion.
This starting collar is suitable for various duct installations. It is compliant with ASTM-A653 standards and is built to accommodate standard HVAC fittings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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