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The M&M 504MSDELV1428 is an eight-inch spin-in start collar made from twenty-eight gauge galvanized steel. This product comes with a damper and includes a two-inch standoff, making it suitable for various ventilation applications. It is designed to connect ductwork securely and efficiently.
This product is ideal for HVAC systems that require reliable duct connections and helps in maintaining proper airflow.
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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