Think I am going to pull the power to the bathroom fan and seal it off. No reason to not just use the window. Last thing I want is mold.
I did glue fiberglass screen to the top of the other pipes after I cleaned out the bug infested insulation. Not sure I want three open holes into the attic area. I can see the snow building up around the vent, then melting or when you wash the roof water going down into the insulation and getting it wet.
I think it would be best seal the pipe and then to just cap them with an ABS cap.
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2005 DT, MS 36CK3 #1566, 95 F-350, Full Timer
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