Description
The RA-42 is a Return Air Door with a 16″ Flange/Collar. This door can replace the Cold-Air Return door and used with ducting on the KIB & KWIB models.
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The RA-42 is a Return Air Door with a 16″ Flange/Collar. This door can replace the Cold-Air Return door and used with ducting on the KIB & KWIB models.