OK. Here is the adapter stuff he sent me. Now, keep in mind I told him this was going on a UDS and I had 3/4" pipe nipples on it as well as ball valves...
The picture shows the 5 cfm fan, a 1/2" thick square red gasket with a hole in it and a small bracket with several holes in it. There is also related hardware (screws, wing nuts, etc) that I didn't include for the picture.
How does this hook up to the UDS??
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