10 Best toilet flappers of 2025

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Best Choice

1

Fluidmaster
Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit
Main highlights

High Performance and Easy Installation
The PerforMAX fill valve and flapper kit offers high performance and is easy to install, making your toilet run like new.

Perfect for Home DIY Projects
Ideal for both amateurs and professionals, it's a great choice for DIY toilet repairs and upgrades.

Reliable and Adjustable Water Control
Customers praise its reliability and easy water level adjustment, enhancing toilet efficiency.
9.8

Exceptional

Our Rating

9.9
Easy installation

9.5
Instruction

9.3
worth the money
How do we rank?

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Based on millions of stores and reviews

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Value for Money

2

Korky

Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP (2 Pack)
9.7

Exceptional

Our Rating
3

Korky
Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP
Main highlights

Universal Fit for Most Toilets
The Korky 100BP Flapper fits 2-inch toilets, including American Standard, Kohler, and TOTO, ensuring compatibility with various models.

Ideal for Fixing Leaks Quickly
Perfect for repairing running and leaking toilets, it helps eliminate costly water waste efficiently.

Ease of Installation Praised by Users
Customers appreciate the straightforward installation process, resolving leaks without hassle and saving on water bills.
9.6

Exceptional

Our Rating

9.7
Easy installation

9.3
Instruction

9.1
worth the money
4

Lydia's Deal

2 Pack 2-Inch Universal Toilet Flapper Replacement Kit - Fits Kohler, Toto, American Standard - High Performance Water-Saving Toilet Tank Flapper with Stainless Chain & Hook, Easy to Install Red

12% Off
9.4

Excellent

Our Rating

9.7
Easy installation

9.3
worth the money

8.9
Long life
5

Korky
Korky 3060BP Universal Toilet Flapper Replaces Most Large 3-Inch Flappers - Long Lasting Rubber - Easy to Install - Made in USA, Red
Main highlights

Universal Fit for 3-Inch Valves
Adjusts to fit all 3-inch toilet flush valves found in newer, HET toilets from various brands including American Standard, Kohler, TOTO, and more.

Quick Fix for Running Toilets
Ideal for quickly fixing running and leaking toilets, eliminating costly water waste, and ensuring a tight seal with chlorine-resistant rubber.

Easy Installation and Durability
Customers commonly praise the product for its easy installation, thick rubber construction, and reliable sealing, which effectively stops leaks and running water.
9.3

Excellent

Our Rating

9.5
Easy installation

8.9
worth the money

8.7
lasts a long time
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6

Fluidmaster
Fluidmaster 5403 3-Inch Water Saving Long Life Toilet Flapper
Main highlights

Long Lasting Durability
Toilet flapper with solid frame and kink-free chain prevents twisting, ghost flushing, and running toilet problems. Durable silicone seal lasts 10X longer than regular flappers.

Ideal for High Efficiency Toilets
Adjustable flapper fits most 3-inch flush valve toilets, ideal for use in high efficiency 1.28 to 1.6 gallons per flush toilets.

Easy Installation
Easy to install with two simple adjustments. The adjustable flush volume feature allows for maximum flush efficiency and water savings.
9.2

Excellent

Our Rating

9.3
Easy installation

8.9
worth the money

8.4
Long life
7

Fluidmaster
Fluidmaster 502CN3 PerforMAX Universal Water-Saving Long Life Toilet Flapper for 2-Inch Flush Valves, Adjustable Solid Frame Design, Easy Install, 3 Pack, Red, 3 Pack
Main highlights

Long-Lasting Durability
Toilet flapper 3-pack with solid frame prevents leaks and ghost flushing.

Universal Design for Efficiency
Fits most 2-inch flush valve toilets, ideal for 1.28 to 3.5 gallons per flush.

Corrosion Resistant Material
Features corrosion-resistant Microban material, praised for durability against chlorine and hard water.
9.1

Excellent

Our Rating
8

Lceyco

Gerber Toilet Flapper Replacement, 2 Pack 3 inch for Gerber 99-788 with 2 Toilet Handle Chains Lecyco Rubber Water Saving, Easy to Install 2
9.0

Excellent

Our Rating
9

Korky

Korky Korky-2001TP 2001TP Universal Toilet Tank Flapper (3 Pack) -Easy to Install-Long Lasting All Rubber Seal-Made in USA, Red, 3 Count

11% Off
8.8

Very Good

Our Rating
10

Korky
Korky 2017BP Standard 2-Inch 2X Ultra High Performance Universal Long Lasting Rubber-Easy to Install-Made in USA Toilet Flapper, 1 Count (Pack of 1), Red

12% Off
Main highlights

Durable Chlorazone II Rubber
Proprietary rubber is twice as strong as other flappers, resisting chlorine and bacteria.

Universal Fit for Toilets
Fits most 2-inch flush valves and adjusts to various tank sizes.

Easy Installation
Praised for simple setup and compatibility with major brands like American Standard, Kohler, and TOTO.
Key specs
- Size:1 Count Pack of 1
- Included Components:1 Adjustable Flapper, 1 Chain
- Water Consumption:1.28, 1.6, 3.5, 5 GPF
- Material:Chlorazone II rubber
- Shape:N/A
8.6

Very Good

Our Rating

10 Best toilet flappers of 2025

1

Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit

9.9

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP (2 Pack)

3

Korky Ultra Standard 2-Inch Universal Toilet Flapper - Long Lasting Rubber - Easy to Install - Made in USA, 100BP

9.7

9.3

9.1

4

2 Pack 2-Inch Universal Toilet Flapper Replacement Kit - Fits Kohler, Toto, American Standard - High Performance Water-Saving Toilet Tank Flapper with Stainless Chain & Hook, Easy to Install Red

9.7

9.3

8.9

5

Korky 3060BP Universal Toilet Flapper Replaces Most Large 3-Inch Flappers - Long Lasting Rubber - Easy to Install - Made in USA, Red

9.5

8.9

8.7

6

Fluidmaster 5403 3-Inch Water Saving Long Life Toilet Flapper

9.3

8.9

8.4

7

Fluidmaster 502CN3 PerforMAX Universal Water-Saving Long Life Toilet Flapper for 2-Inch Flush Valves, Adjustable Solid Frame Design, Easy Install, 3 Pack, Red, 3 Pack

8

Gerber Toilet Flapper Replacement, 2 Pack 3 inch for Gerber 99-788 with 2 Toilet Handle Chains Lecyco Rubber Water Saving, Easy to Install 2

9

Korky Korky-2001TP 2001TP Universal Toilet Tank Flapper (3 Pack) -Easy to Install-Long Lasting All Rubber Seal-Made in USA, Red, 3 Count

10

Korky 2017BP Standard 2-Inch 2X Ultra High Performance Universal Long Lasting Rubber-Easy to Install-Made in USA Toilet Flapper, 1 Count (Pack of 1), Red

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