Toilet Flush Valve Seal Washer Replacement for Niagara C7715-6

1. Special replacement silicone seal washer, compatible with Niagara C7715?6 toilet flush valve for old gasket swap.
2. Made of premium soft silicone material, flexible, durable and resistant to aging in wet bathroom environment.
3. Precise dimension design, creates tight sealing between flush valve and toilet tank to prevent water leakage.
4. Effectively solves slow water leaking and seepage problems inside toilet tank, avoids unnecessary water waste.
5. Simple DIY installation, directly replace worn or broken original gasket without complex tools.