I am starting a basement finishing project with a bathroom that is already roughed in. After identifying all drains and other misc. I noticed something between the floor joists that I had not seen before. It is a piece of capped PVC in the same area where the bathroom goes and sticks down about 6" from the floor. I am assuming it is for a bathroom ceiling vent but that is just a less than educated guess. A pic is attached so hopefully someone can point me in the right direction. Thanks!
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