Answer
Dec 06, 2018 - 02:26 AM
The JR Products HV2TN-A fits in 2" flexible ducts and it's upper portion is a little over 5". This will cover a 2-3/4" hole for sure, but it may not fit snug because the bottom is only 2". I only see that we have ducted heat vents without dampers that have a cut-out of 2" and 4". You can view them all here-->
https://www.rvupgradestore.com/search...
https://www.rvupgradestore.com/search...
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