Fluidmaster PerforMAX Flapper
Score: 88/100
iFealClear Toilet Flapper
Score: 72/100Rankings
The Fluidmaster 502P21 PerforMAX is a universal, adjustable 2-inch toilet flapper designed to resolve weak flushes, running toilets, and water waste in toilets with 1.28, 1.6, or 3.5+ GPF ratings. It features a dial-adjustable mechanism for customizing flush volume, Microban antimicrobial protection, and a solid frame to prevent twisting during operation. It is best suited for homeowners with most 2-inch flush valve toilets experiencing weak flushes, running toilets, double flushes, or high water use.
The iFealClear 3-inch Toilet Flapper is a high-efficiency, water-saving rubber replacement part designed specifically for Gerber 99-788 flush valves in high-efficiency toilets. It features a 3-inch diameter with a single large hole in the cone, blue coloring for visibility, and an adjustable chain with dot markers for easy installation without tools. Ideal for DIY residential bathroom repairs, water conservation upgrades, and quick replacements requiring an exact OEM fit.
| Attribute | | |
|---|---|---|
2 inches | 3 inchesbest | |
1 countbest | 1 countbest |
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| Attribute | | |
|---|---|---|
Material & Durability(4) | ||
Material | Rubber/Plastic | Rubber |
Seal Type | Solid Frame | Standard |
Chlorine Resistance | true | false |
Hard Water Resistance | true | false |
Design & Features(3) | ||
Chain Material | Standard | Nylon/Plastic |
Installation Type | DIY | Tool-free |
Flapper Type | Adjustable Flapper | Standard Flapper |
Packaging & Support(1) | ||
Warranty Period | 5 Years | None |
Compatibility & Fit(6) | ||
Flush Valve Compatibility | Universal | Gerber 99-788 |
Universal Fit | true | false |
Flapper Diameter (inches) | 2 inches | 3 inches |
Toilet Type Compatibility | Standard | High-Efficiency Toilets (HET) |
GPF Compatibility | 1.28-3.5+ | Water Saving |
Flush Valve Size | 2 | 3 inch |
Products in the top-left offer the best value (high score, low price).
Professional reviewers, including Home Improvement Expert Bob Vila, rate the Fluidmaster 502P21 as the best overall 2-inch flapper for addressing running toilets. It is praised for its ability to fix weak flushes, double flushes, and water waste. Manufacturer sources describe it as the 'gold standard' and 'high performance standard' due to its durability, adjustability, and Microban protection.
Search results do not provide direct consumer quotes or aggregated star ratings. However, implied praise from product pages suggests users value the reliable sealing, water savings, and ease of use for fixing running toilets. No recurring complaints are detailed in the available data.
Parts suppliers and video tutorials emphasize its exact compatibility with Gerber 99-788 valves, ease of tool-free installation, and water-saving benefits for high-efficiency toilets. It is highlighted as a genuine equivalent replacement without variances.
Users commonly praise the product as a quick fix for running toilets with a reliable seal and easy chain adjustment. Recurring complaints are not prominently noted, though phantom flushes are mentioned as a pre-replacement issue.
