Fluidmaster 5403 3-Inch Water-Saving Long-Life Toilet Flapper

Meet Fluidmaster 5403

The Fluidmaster 5403 is a 3-inch universal water-saving long-life toilet flapper designed to fit toilets with 3-inch flush valves. It blends a durable silicone seal with a robust body, delivering a reliable seal and steady flush performance over time, even as fixtures age.

Key benefits at a glance

• 3-inch universal fit designed for compatibility with a broad range of standard toilets
• Durable silicone seal promotes a tight, long-lasting seal that helps minimize leaks
• Kink-free chain supports smooth operation with minimal adjustment
• Easy installation with two simple adjustments, reducing setup time
• 10-year warranty provides long-term peace of mind

Practical, everyday usefulness

In daily use, the flapper works with your tank's refill cycle to help avoid noisy running water and errant leaks. The universal design reduces guesswork during replacement, keeping maintenance straightforward and predictable.

• Real-life scenario: replacement on older toilets with 3-inch flush valves
• Maintenance-friendly: durable materials resist wear from mineral buildup and time

Compatibility and quick tips

Note: This flapper is designed for toilets with 3-inch flush valves. Installable with two quick adjustments and a kink-free chain for dependable performance.

About the brand

Fluidmaster has delivered toilet repair parts since 1957, helping homeowners and professionals find reliable repairs. This product’s 10-year warranty reflects confidence in long-term performance.

Possible benefits you may notice include quieter toilet operation and restored efficiency on aging fixtures. Results depend on your toilet and household usage.