Hornnumb2ExplorerOct 07, 20154in flex ductI am looking for some 4in flex duct like is used for the heat vents. I have found all types that are like dryer vents that have no insulation to a/c duct with too much insulation. Call me crazy but I ...Show More
About DIY MaintenanceRV projects you can tackle on your own with a few friendly pointers.4,397 PostsLatest Activity: Dec 04, 2025
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