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The M&M 503ATD6 Air-Tite Round Start Collar with Damper is designed for efficient air distribution in HVAC systems. This collar measures six inches and is built from steel with a galvanized finish for durability. It features a gasketed flange, ensuring a secure seal at the joint.
The M&M Air-Tite series is known for its reliability in air flow 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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