Push-one-way drain replacement packing B21-AR for INAX LIXIL TOSTEM Compatible Seal Plug Packing Rubber I am selling this because the bathtub water started draining, and I mistakenly purchased the wrong model. Although it is new and unused, I opened it and tried to install it once. I removed it immediately, but please consider this with your understanding. Purchase date: December 27, 2025 Please check the model number before purchasing. Cancellations due to incorrect model numbers will not be accepted. Recycled materials may be reused for packaging. As per Mercari's regulations, the first person to purchase the item will be given priority, even if negotiations are ongoing in the comments. Thank you for your understanding. Comments may be deleted if there is no response within 12 hours. Please comment again if you have any questions. Shipping will be from Chiba Prefecture, but it may also be shipped from within Tokyo. Items with likes may be removed without notice if they are not purchased within a certain period. Thank you for your understanding. 1229B