Fluidmaster PerforMAX Flapper
Score: 88/100
Kohler GP85160
Score: 85/100Rankings
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 Kohler GP85160 is a genuine 2-inch blue toilet flapper featuring an integrated adjustable float, designed specifically for 1.6 GPF two-piece Kohler toilets. It offers a tight seal to prevent leaks and includes durable, chlorine-resistant vinyl construction for long-lasting performance. The product comes with a 5-year warranty and is intended as a direct replacement for failing flappers in compatible models.
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2 inchesbest | 2 inchesbest | |
1 countbest | 1 countbest |
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| Attribute | | |
|---|---|---|
Material & Durability(4) | ||
Material | Rubber/Plastic | Plastic/Vinyl |
Seal Type | Solid Frame | Tight seal |
Hard Water Resistance | true | null |
Water Resistance | true | null |
Design & Features(3) | ||
Chain Material | Standard | null |
Installation Type | DIY | Direct replacement |
Flapper Type | Adjustable Flapper | Flapper with Float |
Packaging & Support(2) | ||
Warranty Period | 5 Years | 5 years |
Certifications | NSF/ANSI 61 | None |
Compatibility & Fit(4) | ||
Flush Valve Compatibility | Universal | Bottom outlet |
Universal Fit | true | false |
Toilet Type Compatibility | Standard | Two-piece |
GPF Compatibility | 1.28-3.5+ | 1.6 |
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.
Retailers and product pages from major home improvement stores describe the Kohler GP85160 as a reliable and efficient solution for toilet maintenance. Reviewers highlight its high-quality materials and precise water level control capabilities, noting it as an ideal choice for homeowners seeking hassle-free performance.
Everyday users generally praise the product for its ease of installation and effectiveness in preventing leaks. Common themes include satisfaction with the adjustable float feature for customizing water levels and the durability of the vinyl material.
