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🚽 Upgrade your flush game—stop leaks, save water, and join the eco-smart pros!
This 3-inch toilet flapper replacement kit is specifically designed for Gerber 99-788 flush valves, featuring heavy-duty chlorine-resistant rubber and a rust-proof stainless steel chain. It prevents costly water leaks that waste up to 200 gallons daily, installs easily without tools, and ensures a precise fit for long-lasting, efficient toilet performance.
















| ASIN | B088Z828F2 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #7,782 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #10 in Toilet Flappers |
| Color | Blue-1 Pack |
| Customer Reviews | 4.4 4.4 out of 5 stars (3,218) |
| Date First Available | May 21, 2020 |
| Item Weight | 1.76 ounces |
| Item model number | 1 pack |
| Manufacturer | iFealClear |
| Part Number | CA-ifflappergerber-blue |
| Product Dimensions | 4.8 x 3.6 x 1.5 inches |
| Shape | Round |
| Style | Compatible with 3" Gerber 99-788 |
U**E
Great product at reasonable price
I was hesitant to buy this product as i never heard its name. But, it is simply amazing and rasonable compared to other brands. I am glad i tried it.
C**Y
Works, easy to install
Accidentally bought a 2-in universal toilet replacement kit. I was able to use the rest of the kit but needed a replacement for the flapper - this did the trick. The end attachments are silicone or rubber - a bit stretchy so the fit my 20+ year old toilet. No more water leaks or high bills. This is a bit flexible, so I think it will last longer than the rigid rubber ones.
S**T
Perfect fit!
Easy to install
Z**U
Perfect
It just fits, no leak anymore
S**L
Perfect replacement for older toilet
The flapper in the toilet would not stop running, This flaper fixed it. The old flapper actually had to be cut off as it was old style integrated into the system. So happy to have found this silicone replacement where the holes expand to allow the flapper to be installed over tbe edges of the flapper bar. Staples the leak immediately. Easy economical fix without need to call a plumber.
F**A
Easy to install
Easy to install. Works perfect
J**S
Works for a while…
Lasted almost 2 years. Purchased October 2024, it’s currently August 2026. Found that the plastic has curled and shrank, letting water through. Worked great for almost 2 years! Wish it would have lasted a bit longer.
A**R
Easy to use
Fast shipping did the job
D**A
Snug fit which prevents water from leaking, Fixed out problem!
Couldn’t find the right size to install at out local stores but it fit perfectly and there is no longer a leak.
Trustpilot
1 week ago
4 days ago