Lid P/N: 7421. The lids are all designed to be interchangeable for the 7421. We'll even help you find the correct one. You are buying a salvaged toilet tank lid. This is from a toilet that was replaced by the original owner but the lid was still in excellent condition, so we bought it from a plumber, cleaned it up to look like new, and will do an excellent job of replacing your broken/missing toilet tank lid.
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