I know this is a bidet but why is there a stopper?? : r/whatisthisthing
Universal plugs, 1 rooms for bathroom and kitchen sink, 36 mm ~ 41 mm, PVC, drain plug for sink, bidet and shower tray, bathtub and sink caps | Walmart Canada
How to Install a Bidet Toilet Seat
The 4 Best Bidet Toilet Seats or Washlets of 2023 | Reviews by Wirecutter