A soft plastic gasket is provided.
Hi Anonymous, this 6 in. Deck Plate in Satin Nickel is an online exclusive item and comes directly from the Homedepot.com inventory where it can be shipped to you directly or if it is eligible, shipped to a Home Depot store. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot!
1 and 3/8 inch diameter. Refer to images for reference.
This seems to be compatible with any single bathroom faucet