Korky 100BP
Score: 90/100
iFealClear Toilet Flapper
Score: 72/100Rankings
The Korky 100BP Ultra High Performance Flapper is a universal 2-inch toilet flapper designed to maximize flush performance while conserving water across various gallon-per-flush ratings. Constructed from exclusive chlorine-resistant red rubber, it offers superior durability in harsh water conditions and features adjustable settings for precise water optimization. It is best suited for homeowners with standard 2-inch toilets in areas with chlorinated, hard, or well water.
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(3) | ||
Seal Type | Sealing Ball | Standard |
Chlorine Resistance | true | false |
Hard Water Resistance | true | false |
Design & Features(3) | ||
Chain Material | Stainless Steel | 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 | 2-inch | Gerber 99-788 |
Universal Fit | true | false |
Flapper Diameter (inches) | 2 inches | 3 inches |
Toilet Type Compatibility | Standard | High-Efficiency Toilets (HET) |
GPF Compatibility | 1.28-5 | Water Saving |
Flush Valve Size | 2 | 3 inch |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and plumbing experts, including those from Clorox, highly endorse the Korky 100BP as the longest-lasting flapper available. Editors at supply sites praise its high performance and precise water control, noting that it significantly outperforms generic brands in chlorine resistance tests. The product is highlighted for its universal design, making it ideal for contractors who need a single solution for various toilet brands, with no performance drop across different flush volumes.
Everyday consumers rave about the product's longevity, with many reporting it lasted up to seven years in harsh water conditions. Users frequently praise the ease of installation, noting it takes only five minutes without tools. Common themes include strong flush performance despite water savings and perfect fits for brands like Kohler. Recurring complaints focus on the chain being too long and occasional initial seal issues that require adjustment.
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.
“lasted 7 years in hard well water”
“5 minutes, no tools”
“saves hundreds of gallons yearly”
