Review on Korky 2001TP Universal Toilet Tank Flapper (3 Pack): Easy Install, Long-Lasting Rubber Seal, Made in USA by Jack Duncan

Not happy with this purchase. Universal fit is not exact. I bought 3 packs as a spare as my flaps on both toilets had become a bit bent over time. probably due to chemical additives and usage etc. After I installed one you could tell that it wasn't seated in the center of the tank drain after flushing and it was still leaking afterwards. I bought another brand that I remember before it was really generic and it fixed the problem. I do not recommend.