Why do all of the pictures of flapper valve show from the top? The size of the bottom piece is what you need to see to order the right flapper.

The only guess I can make is that if there is a bar going across the top, it won't fit an older one-piece Kohler toilet so this differenciates it right away. I have the older model so I need this flapper without the black bar. The bar fits between the two extended arms you see in the picture. I made the mistake of ordering the one with the bar, model #GP84995, and it just didn't work. This model, GP83064 is the only one I found that sits on the opening properly and doesn't leak. I think my toilet is from 1989, when my home was built.

Is there a coordinating valve seal for this flapper?

No that I know, the flapper seals the hole on the lower part of the water box.

Is this made of chlorazone rubber for chlorine resistance?

Hello, yes it is made from chlorazone rubber for chlorine resistance.

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🚽 Upgrade your flush game with Kohler precision!

LIGHTWEIGHT COMPACT - At just 4.54g and 11.43 x 7.62 x 2.54 cm, it’s easy to handle and install without hassle.
SEAMLESS COMPATIBILITY - Designed specifically for Rialto, San Raphael, Rosaria, and San Martine Lite toilets—perfect fit guaranteed.
DURABILITY YOU CAN TRUST - Engineered for long-lasting performance, reducing leaks and water waste.
CLEAR ENGLISH INSTRUCTIONS - Installation made simple with straightforward English guidelines, no guesswork needed.
GLOBAL SHIPPING LOCAL IMPACT - Shipped internationally with care—minor packaging imperfections don’t affect premium quality.

The Kohler GP83064 Red Flapper Assembly is a lightweight, durable replacement part designed for select Kohler toilet models. It ensures a perfect fit and reliable performance, shipped globally with clear English instructions for easy installation.

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