5 Best Toilet Flapper of 2020 – Reviews & Buying Guide

best toilet flapper

What is a toilet flapper? What is its function?

The toilet flapper is a vital part of the flushing system. It is made of rubber.

The primary duty of a toilet flapper is sealing water and releasing it only in the flushing time.

Unfortunately, it may get lose or deteriorate. In this case, the normal flow of water from the tank to toilet bowl becomes difficult. You cannot control the flushing system.

As a result, you have to face a significant loss. Leakage of the toilet tank is the primary reason for this unwanted situation.

Best Toilet Flapper Comparison Chart [2020]:

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5 Best Toilet Flapper Reviews:

  • The American Standard Toilet Flapper: American Standard 7381.129-200.0070A Flapper and Chain
  • TOTO Toilet Flapper: TOTO THU499S Universal Flapper
  • Eljer Toilet Flapper: Elijer Flush Valve, PVC
  • Korky Toilet Flapper: Korky 2003BP EasyFix Toilet Flush Valve and Flapper Repair Kit – Repairs Flush Valves and Flappers – Easy to Install – Made in the USA



Kohler is the most common name in the toilet market. It is famous for producing various toilet parts and model. Its Product Dimensions is 5.25 x 3 x 1.75 inches.

Now, well-recognized Kohler brings a new model of the flapper in the market.

For having high quality, quickly it gains the user`s attention. I was also surprised by its vast reviews. This flapper is pretty useful in performance.

The durable item is offering you a long-time service warranty. Resilient rubber is used to form this object.

I did not find any harmful elements. The maintenance is quite simple. Overall, this is an ideal model.

Key Features

  • Rubber, metal material
  • Includes 2 in. flush valve
  • Compatible with all Kohler products
  • Fit’s various two piece toilets


  • Easy to remove
  • prevent water-overflow
  • Easy to install
  • protect any current
  • Blue in float color
  • Durable and lightweight


  • Limited to Kohler toilet-model usage

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2. The American Standard Toilet Flapper: American Standard 7381.129-200.0070A Flapper and Chain:

American Standard 7381.129-200.0070A Flapper and Chain

Famous American Standard flapper brings a new flapper item. It comes with a 2-inch flush valve and chain system. The model is offering you a universal replacement feature.

The setting and maintaining procedure are simple. This rubber stopper saves the wastage of water and makes your flushing job easy and comfortable.

This highly reviewed item is the expert’s top choice. The reliability turns it out of the competition. I highly suggest you use this for a better flushing experience.

Key Features

  • suitable for 2-inch valves
  • compatible with any toilet model
  • includes a float, chain, clips, and hook
  • OEM replacement for any toilets
  • Limited One Year Warranty
  • Plastic material, black color


  • fits perfectly
  • universal design
  • easy to use
  • easy installation process
  • Durable, and reliable


  • toilet doesn’t fully flush

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3. TOTO Toilet Flapper: TOTO THU499S Universal Flapper:

TOTO THU499S Universal FlapperThe well-recognized company is offering you an innovative toilet flapper.

TOTO THU499S is a universal toilet flapper. The tremendous performance delivers you the highest level of satisfaction.

The included material is a resilient rubber. It also contains a chain for additional support. It can deal with different types of flushing system.

This is widely using in the G-max, E-max, double cyclone and dual-max flushing system.

This rubberized stopper actively controls the overflow of water and saves your money. In general, this is one of the best flappers in the expert’s eye.

Key Features

  • Fits all TOTO toilets
  • Suitable for 3-inch valves
  • Comes with a plastic body
  • Easy assembly


  • Universal flapper
  • Long-lasting rubber seal flapper
  • Durable and reliable
  • low maintenance costs
  • reasonable price


  • Not usable for all toilets

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4. Eljer Toilet Flapper: Elijer Flush Valve, PVC:

Elijer Flush Valve, PVC

Eljer is a perfect seal to protect water flow. It only allows water to pass in the flushing time. This is made of toxic-free rubber, plastic, and chemicals.

The included chain is corrosion resistance. The entire product is comparatively short in size. It looks like a fancy toy that plays with your flushing system.

This adorable product has a good impression of the consumer`s eye. Even the scholar’s keep it as their top list. I highly recommend you to use it once. Then you will realize its magic.

Key Features

  • included chain is corrosion resistant
  • made of rubber, plastic, and chemicals
  • allows water to pass in the flushing time
  • compact size and protect water flow


  • toxic-free
  • long-lasting durable seal
  • easy to use
  • easy to install


doesn’t fit the tank design

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5. Korky Toilet Flapper: Korky 2003BP EasyFix Toilet Flush Valve and Flapper Repair Kit – Repairs Flush Valves and Flappers – Easy to Install – Made in the USA:

Korky 2003BP EasyFix Toilet Flush Valve and Flapper Repair KitLeading brand Korky manufactured an impressive type toilet flapper. This is a universal toilet flapper. You are allowed to use it both in plastic and brass fill valves.

This is made of chlorine–proof material. Chlorine is responsible for destroying things. This flapper highly protects the outrageous attack from chlorine.

As a result, you will get a sound flushing capability. To make your flush useful, I highly suggest this marvelous model.

Key Features

  • Come with various sizes
  • Made with superior quality
  • Able to handle 1.6-gallon toilets
  • Chlorine resistance ability


  • Long-lasting material
  • Corrosive resistant
  • Durable construction
  • Ensures tight seal
  • Universal design


  • Cannot adjust to water-usage

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What to do when your flapper is not working?

Most of the case you cannot fix or repair it. The best solution is picking a new one. Usually, a proper flapper lasts long. After its serving time, it becomes unworkable.

Then you need to remove the old one and immediately put a brand new flapper.

For a long-lasting service, picking the quality flapper is only one option. Otherwise, it will affect your flushing system and cause a massive wastage of money.

What are the best flappers?

In the market, many useful types of flappers are available. You can own it at a reasonable price.

Among all those classy items, I selected the best and unique models for review.

How to replace your toilet flapper?

The replacement is not a complicated process. The technique is quite simple and you can do it yourself. You do not need to call a plumber.


At first, turn off the water supply.

Then open the tank. Make sure your tank is empty.

Now, untie the flapper`s chain and get it out of the tank. Install a new one just like the same process. Then close the container. Finally turn on the water supply.

What are the benefits comes from a flapper?

In my study, I noticed 2 cool benefits you can get form a quality flapper:

Number one: sound flushing:

This is assuring you a sound flushing. Irregular flushing is the reason for irritation. No one deserves it. To get rid of this problem a proper flapper plays a significant role.

Number two: Money saver:

A classy flapper knows the perfect utilization of water. IT never allows excess water flow and irregular flushing. This way it saves water as well as your valuable money.

What to look at a toilet flapper during buying time? What kind of toilet flapper do I need?

Now, I am unveiling you some secret tips before buying. These facts are simple but unknown to the maximum people.


Most of the case it is made of rubber, and the chain is made of steel. Check that the rubber is toxic-free and environment-friendly. The string should have corrosion-proof.

Toilet flapper sizes:

Your flapper size should be adjustable. The universal flappers are suitable for every type of toilet.


You should also think about price and durability. Never ignore to inspect the performance. Check the expert’s comment and consumer`s reaction. If their reviews are positive, then you can also trust this tool.

In the bottom line:

You get an initial idea about my offered goods. Now, you know their characteristics and features. How great their service is!

That’s why you need to consider my described tools for your washroom. The satisfactory performance will fulfill your requirements.

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