Please note - time stamps for each section listed below.
I cut two holes in my 2020 Runaway Camper RangeRunner and installed a MaxxFax 5100 Deluxe 10-speed reversible fan AND a MaxxAir 3700 Mini-vent that is passive. Below I have the time stamps for each section for your convenience. A companion video showing the fan sound levels and how well it pulls air through my camper is here:    • MaxxAir 5100K Deluxe Fan Demo with Ch...  

I am suggesting that if someone does this to a pre-2020 Runaway or any thin metal roof, they should consider building a frame in the ceiling to receive the screws from above coming from the flange. The screws that come with the units are too long for a thin metal roof - even with the wood. Look at YouTube videos of folks doing van conversions to see examples of a frame.
00:00 - Intro
00:40 - Tools used
02:00 - Materials used
03:45 - Measuring the hole for MaxxFan 5100k Deluxe
08:40 - Cutting the hole for the MaxxFan 5100k Deluxe
11:50 - Measuring for the MaxxAir 3700 mini vent hole
12:45 - Cutting the hole for the MaxxAir 3700 mini vent
14:12 - Caulking the fiberglass hole edges
15:02 - Predrilling holes for the mini vent screws
15:55 - Applying the butyl tape to the mini vent flange
17:07 - Installing the mini vents with screws into the roof
19:05 - Inside the camper installing the mini vent louvered vent
19:44 - Installing the MaxxFan flange in the roof
21:54 - Mounting the MaxxFan in the flange
22:52 - Inside the camper - adding the MaxxFan trim ring and wiring
26:28 - Demo of the 5100k fan
27:38 - Cordmate install and my one mistake on the project!
29:20 - Lap sealant application to the fan and vent on the roof flanges
34:30 - Final comments
35:47 - What????