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The M&M 504MSDELV14210 is a ten-inch spin-in start collar made from twenty-eight gauge galvanized steel. This product includes a damper and a two-inch standoff for effective installation in HVAC systems. It provides a secure and efficient connection point for ductwork.
This spin-in start collar facilitates duct connections and allows for optimal airflow management.
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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