Fluidmaster PerforMAX Flapper
Score: 88/100
Fluidmaster 5403 Flapper
Score: 92/100Rankings
The Fluidmaster 5403 is a universal adjustable 3-inch toilet flapper designed for high-efficiency toilets, featuring a durable silicone seal and customizable flush volume settings. It offers a solid frame to prevent twisting and includes an adjustable dial to optimize water usage between 1.28 and 1.6 gallons per flush. It is ideal for quick DIY fixes for ghost flushing, water conservation in homes with hard water or chlorine, and universal replacement in brands like Kohler, Toto, or American Standard.
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.
| Attribute | | |
|---|---|---|
2 inches | 3 inchesbest | |
1 countbest | 1 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Material & Durability(2) | ||
Material | Rubber/Plastic | Silicone |
Seal Type | Solid Frame | Silicone |
Design & Features(1) | ||
Chain Material | Standard | Kink-free |
Packaging & Support(2) | ||
Warranty Period | 5 Years | 10 Years |
Certifications | NSF/ANSI 61 | |
Compatibility & Fit(4) | ||
Flapper Diameter (inches) | 2 inches | 3 inches |
Toilet Type Compatibility | Standard | High-efficiency |
GPF Compatibility | 1.28-3.5+ | 1.28-1.6 |
Flush Valve Size | 2 | 3 |
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.
Professional reviewers, including Home Improvement expert Bob Vila, highly recommend the Fluidmaster 5403 as the best overall 3-inch flapper for fixing running toilets. Experts praise its universal fit, adjustability, and durable silicone construction, noting that it provides quality you can trust for eliminating leaks in newer high-efficiency toilets.
Everyday consumers generally praise the Fluidmaster 5403 for its ease of installation, water savings, and longevity. Users frequently report that it stops running toilets quickly and fits a wide variety of brands. While some users mention a learning curve for adjustments, the overall sentiment is positive, highlighting its reliability and durability compared to standard flappers.
