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Experience the durability and efficiency of the SOUTHWARK METAL 156D12 Spin-In Collar with Damper, ideal for robust HVAC applications. Manufactured from hot dipped galvanized steel, this 12-inch spin-in collar ensures reliable performance in distributing air flow within duct systems.
The SOUTHWARK METAL spin-in collar is crafted to meet ASTM A653CS Type B standards, making it a top choice for professional HVAC installations.
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