To quickly determine your toilet's flapper size, look at the flush valve drain opening at the bottom of your tank. If your flapper...

May 4, 2022 — hi there if you need to replace your toilet flapper but don't know what size it is this video is for you a simple way t...

Aug 31, 2017 — however 3-in flappers have become popular in recent years and can be found in newer toilets manufactured since 2005. a...

Dec 29, 2025 — I can't jump to conclusions but that to me looks like a 2” flapper, however, I'd take the old flapper out and take it ...

Nov 7, 2025 — and measure the flush valve opening to determine the size you need to do this you should start by shutting off the wate...

Nov 14, 2016 — is your toilet. running. sounds like you need a new flapper. but which one fits your toilet the Corki Universal Ultra ...

Nov 6, 2025 — Next, flush the toilet to remove the water from the tank so it's easier to measure. Once the water is drained, lift the...

Jun 13, 2025 — Size Matters Toilet flappers typically come in two sizes: 2 inches and 3 inches. 2-inch flappers are the most common s...

Dec 12, 2025 — The image emphasizes a 3-inch valve compared to a standard 2- inch valve. Benefit: A larger valve allows a greater vol...