Kohler GP1078440
Score: 80/100
iFealClear Toilet Flapper
Score: 72/100Rankings
The Kohler GP1078440 is a genuine 2-inch shark-fin style toilet flapper designed as a replacement part for select Kohler one-piece toilets. It features a corrosion-resistant rubber construction with a red finish and includes an adjustable chain for secure sealing and efficient flushing. This part is specifically engineered for bottom outlet flush valves to ensure a reliable fit.
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) | ||
Seal Type | Shark-fin | Standard |
Chlorine Resistance | true | false |
Hard Water Resistance | null | false |
Water Resistance | null | true |
Design & Features(3) | ||
Chain Material | Not specified | Nylon/Plastic |
Installation Type | Direct replacement | Tool-free |
Flapper Type | Shark-fin | Standard Flapper |
Packaging & Support(1) | ||
Warranty Period | null | None |
Compatibility & Fit(5) | ||
Flush Valve Compatibility | Bottom outlet | Gerber 99-788 |
Flapper Diameter (inches) | 2 inches | 3 inches |
Toilet Type Compatibility | One-piece | High-Efficiency Toilets (HET) |
GPF Compatibility | null | Water Saving |
Flush Valve Size | 2 | 3 inch |
Products in the top-left offer the best value (high score, low price).
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.
