
American Standard Vormax Flapper
Score: 75/100
Hibbent Toilet Flapper
Score: 80/100Rankings

The Hibbent 2 Pack Toilet Flapper Replacement is a blue rubber flapper designed as a direct replacement for the Gerber 99-788 model, featuring durable material and no-tool installation. It is limited to specific Gerber models, which restricts its universal applicability. It is ideal for DIY repairs in homes with city, hard, or well water, offering a quick, tool-free fix that meets US/Canada plumbing standards.

The American Standard 7381657-200.0070A is a specialized dual flapper assembly designed exclusively for American Standard Vormax toilets. Its key strength lies in its genuine OEM construction and durable metal-silicone-teeter bar mechanism. However, it is not suitable for users with non-Vormax models or those requiring universal fit parts.
| Attribute | ![]() | ![]() |
|---|---|---|
3 inchesbest | 3 inchesbest | |
1 count | 2 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Material & Durability(1) | ||
Material | Mixed (Metal, Rubber, Silicone, Plastic) | Rubber |
Design & Features(3) | ||
Chain Material | Metal | Stainless Steel |
Installation Type | Direct Replacement | No-Tool |
Flapper Type | Dual Flapper Assembly | Flapper |
Packaging & Support(1) | ||
Pack Quantity (count) | 1 count | 2 count |
Compatibility & Fit(3) | ||
Flapper Diameter (inches) | 3 inches | 3.0 inches |
Toilet Type Compatibility | Two-Piece | Gerber 99-788 |
Flush Valve Size | 3 inch | 3 inches |

Products in the top-left offer the best value (high score, low price).

Installation tutorials and video demonstrations highlight the straightforward nature of the replacement, praising the quick setup and the reliability achieved through proper seal cleaning.
Product pages imply positive sentiment regarding leak prevention and water savings, with video demos suggesting that users find the chain adjustments user-friendly and the overall installation process positive.


