

Hero image 0 of Fluidmaster 523A-016 Universal 2" and 3" Super Toilet Tank Flapper, 0 of 13
Fluidmaster 523A-016 Universal 2" and 3" Super Toilet Tank Flapper
Key item features
- Universal Compatibility: This innovative flapper eliminates guesswork by fitting both 2-inch and 3-inch flush valves, making it suitable for most toilets.
- Leak Prevention: Designed to replace leaky flappers, it effectively stops running toilets and can substitute both small 2-inch and large 3-inch flappers.
- Adjustable Water: Features an easy-to-turn adjustment dial, allowing users to customize water usage per flush to maximize efficiency and conserve water.
- Simple Installation: The Super Flapper is engineered for the easiest possible installation, simplifying the process for users.
- Versatile Design: This universal design is built to adjust and work with most 2-piece toilets and 2-inch or 3-inch toilet flush valves.
- Optimal Performance: Best suited for use in 1.28, 1.6, and 3.5 GPF toilets, ensuring effective flushing performance.
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Specs
- Size2" and 3"
- MaterialMetal
- FeaturesEasy Installation
- AccessoriesToilet Flapper
- ManufacturerFluidmaster
- Multipack quantity4
Current price is USDNow $14.96
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was $16.99$16.99
You save$2.03
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About this item
Product details
The Fluidmaster 523A-016 Universal 2 in. and 3 in. Super Flapper is the newest and most universal toilet flapper in our flapper line. The Super Flapper is the go to choice, taking the guessing out of what size flapper is needed in the tank. When you don't know what size flapper you need This universal flapper fits both 2 in. and 3 in. toilet flush valves. This can be converted into a 2 in. toilet flapper or a 3 in. toilet flapper with just a few simple adjustments. This Super Toilet Flapper sets the standard as the easiest installation possible for a flapper. Depending on your flush needs the water adjustment feature with the easy-to-turn adjustment dial allows for the customization of water usage inside the tank to maximize your flush and save water. This universal design is built to adjust and work with most toilets and brands using 2-piece toilets and 2 in. or 3 in. toilet flush valves. Best for use in 1.28, 1.6 and 3.5 GPF toilets.
- Eliminate the size guesswork with this innovative universal flapper
- Universal fit for most toilets
- Fits both 2 in. and 3 in. flush valves
- Eliminate leaky flappers and running toilets
- Replaces small 2 in. flappers
- Replaces large 3 in. flappers
- Adjustable to set water use per flush and save water
- 10-year warranty
info:
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Specifications
Size
2" and 3"
Toilet flapper type
Rubber Flappers With Control Dial
Material
Metal
Brand
Fluidmaster
Warranty
Warranty information
10 year warranty
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Compare with similar items
| Product | Viewing this itemFluidmaster 523A-016 Universal 2" and 3" Super Toilet Tank Flapper ![]() Now $14.96 current price Now $14.96, Was $16.99$16.99 12 out of 5 Stars. 1 reviews | (2 pack) Fluidmaster 501 Performax Universal, 2 in. Toilet Tank Flapper, Plastic, New, 1-Pack, Height 7.7in, Weight 0.10 lbs. ![]() $10.48 current price $10.48 | Toto Universal Counterbalanced Toilet Flapper (2-Pack) ![]() $30.99 current price $30.99 | WASHWEPE Toilet Flapper 2Pcs for Durable ![]() $15.96 current price $15.96 | HIBIBUD 1 Pair Toilet Flapper Replacement For 3 Inch Toilet ![]() $11.39 current price $11.39 | HIBIBUD Water-saving Valve Toilet Flapper Universal Toilet Tank Flapper Replacement Toilet Flapper ![]() $6.68 current price $6.68 | 2 Pieces Toilet Flapper Replacements 2 Inch Toilet Flapper Stopper Water Saving Flappers with 2 Pieces Toilet Chains ![]() $8.56 current price $8.56 | LEORX Flapper Parts Toilet Flapper Silicone 2Pcs ![]() $7.14 current price $7.14 |
|---|
| Size | 2" and 3"Fluidmaster 523A-016 Universal 2" and 3" Super Toilet Tank Flapper | 2"(2 pack) Fluidmaster 501 Performax Universal, 2 in. Toilet Tank Flapper, Plastic, New, 1-Pack, Height 7.7in, Weight 0.10 lbs. | 3"Toto Universal Counterbalanced Toilet Flapper (2-Pack) | 4.2" x 2.9" x 1.4"WASHWEPE Toilet Flapper 2Pcs for Durable | 3"HIBIBUD 1 Pair Toilet Flapper Replacement For 3 Inch Toilet | 10.00X7.50X3.50CMHIBIBUD Water-saving Valve Toilet Flapper Universal Toilet Tank Flapper Replacement Toilet Flapper | 10.7 cm2 Pieces Toilet Flapper Replacements 2 Inch Toilet Flapper Stopper Water Saving Flappers with 2 Pieces Toilet Chains | 4.8" x 3.5" x 2.1"LEORX Flapper Parts Toilet Flapper Silicone 2Pcs |
|---|---|---|---|---|---|---|---|---|
| Material | MetalFluidmaster 523A-016 Universal 2" and 3" Super Toilet Tank Flapper | Plastic(2 pack) Fluidmaster 501 Performax Universal, 2 in. Toilet Tank Flapper, Plastic, New, 1-Pack, Height 7.7in, Weight 0.10 lbs. | SiliconeToto Universal Counterbalanced Toilet Flapper (2-Pack) | PVCWASHWEPE Toilet Flapper 2Pcs for Durable | RubberHIBIBUD 1 Pair Toilet Flapper Replacement For 3 Inch Toilet | PVCHIBIBUD Water-saving Valve Toilet Flapper Universal Toilet Tank Flapper Replacement Toilet Flapper | PVC2 Pieces Toilet Flapper Replacements 2 Inch Toilet Flapper Stopper Water Saving Flappers with 2 Pieces Toilet Chains | rubberLEORX Flapper Parts Toilet Flapper Silicone 2Pcs |
| Features | Easy InstallationFluidmaster 523A-016 Universal 2" and 3" Super Toilet Tank Flapper | Easy Installation(2 pack) Fluidmaster 501 Performax Universal, 2 in. Toilet Tank Flapper, Plastic, New, 1-Pack, Height 7.7in, Weight 0.10 lbs. | Easy CleanToto Universal Counterbalanced Toilet Flapper (2-Pack) | CompactWASHWEPE Toilet Flapper 2Pcs for Durable | Easy InstallationHIBIBUD 1 Pair Toilet Flapper Replacement For 3 Inch Toilet | Easy InstallationHIBIBUD Water-saving Valve Toilet Flapper Universal Toilet Tank Flapper Replacement Toilet Flapper | Easy Installation2 Pieces Toilet Flapper Replacements 2 Inch Toilet Flapper Stopper Water Saving Flappers with 2 Pieces Toilet Chains | CompactLEORX Flapper Parts Toilet Flapper Silicone 2Pcs |
| Accessories | Toilet FlapperFluidmaster 523A-016 Universal 2" and 3" Super Toilet Tank Flapper | Chain(2 pack) Fluidmaster 501 Performax Universal, 2 in. Toilet Tank Flapper, Plastic, New, 1-Pack, Height 7.7in, Weight 0.10 lbs. | -Toto Universal Counterbalanced Toilet Flapper (2-Pack) | 2 x Toilet FlappersWASHWEPE Toilet Flapper 2Pcs for Durable | -HIBIBUD 1 Pair Toilet Flapper Replacement For 3 Inch Toilet | -HIBIBUD Water-saving Valve Toilet Flapper Universal Toilet Tank Flapper Replacement Toilet Flapper | -2 Pieces Toilet Flapper Replacements 2 Inch Toilet Flapper Stopper Water Saving Flappers with 2 Pieces Toilet Chains | 2 x Toilet FlapperLEORX Flapper Parts Toilet Flapper Silicone 2Pcs |
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Showing 1-1 of 1 review
Oct 26, 2025
JOAN
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Item details
Sold and shipped byFactory Hardware StoreMultipack quantity: 4
2 out of 5 stars review
Verified Purchase
Not worth the high price
Didn't fit even though it was supposed to be for two sizes
Helpful?1FJ6KQZY5WHO14732157752
reply from FluidmasterSupport
Fluidmaster would like the opportunity to learn more and provide help. To get help visit our website Fluidmaster.com where you can find product information and email or chat with a technician. Our toll-free number is 800-631-2011 and we are available 5 days a week Mon-Fri from 5:30 am – 5:00 pm PST.












