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Marshall Air 128489 is a collar set designed to fit a .755 diameter connection for various HVAC applications. This collar set is essential for ensuring precise airflow and secure duct connections. It is made to meet industry standards, providing reliability in installation and performance.
This collar set is ideal for use in heating, ventilation, and air conditioning systems. It simplifies the installation process and ensures maximum efficiency.
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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