![Why is this random drain attached to a pipe in my basement? It's near the wall, connected to what I think is a vent pipe, and is covered up with tape. : Why is this random drain attached to a pipe in my basement? It's near the wall, connected to what I think is a vent pipe, and is covered up with tape. :](https://preview.redd.it/why-is-this-random-drain-attached-to-a-pipe-in-my-basement-v0-ocyvqdfpzp8a1.jpg?width=640&crop=smart&auto=webp&s=368b1019a383aaaf88f061b56c5954325510a825)
Why is this random drain attached to a pipe in my basement? It's near the wall, connected to what I think is a vent pipe, and is covered up with tape. :
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