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Bard part number 139-159 is an OEM MFAD partition used inside select Bard wall-mount HVAC units to separate compartments and guide airflow through the correct path for proper filtration and overall unit operation. When this internal divider is damaged, missing, or bent, air can bypass intended sections, which can lead to airflow imbalance, reduced filtration performance, and service issues that are hard to diagnose. Replacing the partition with the correct Bard factory part helps restore the original air routing and clearances so other components fit and function as designed. Verify your unit model and serial number against the Bard parts list to confirm compatibility before ordering.
* Orders less than $50 may incure a minimum order fee.