THU500S Replacement Flapper for Select TOTO 3 Inch Flush Valve Tanks

Additional Details from the Manufacturer

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More features

• 3 Inch Toilet Flapper Replacement: This is a 3-inch toilet flapper designed as a direct replacement for TOTO toilets with 3-inch flush valves. Features a red sealing surface and durable construction. Compatible with multiple TOTO models including CST405MF, CST406MF, CST412MF, CST416M, CST423EF, CST423SF, CST424EF, and CST424SF series .
• Replaces Multiple TOTO Flapper Models: One flapper replaces up to 12 different TOTO OEM part numbers . Compatible with THU138S, THU175S, THU331S, THU140S, THU299S, THU253S, THU277S, THU347S, THU275S, THU332S, THU369S, and THU499S . No need to remember complex model numbers – this single flapper covers them all .
• Premium Materials for Long-Lasting Durability: Constructed with a polypropylene frame and rubber sealing surface for reliable performance . The combination of materials provides flexibility for a tight seal while maintaining structural integrity over time.
• Package includes: THU500S 3-Inch Toilet Flapper (pack of 1), with chain
• Easy Installation: Install in minutes with no special tools required . Turn off water supply, flush to empty tank, remove old flapper, attach new flapper to flush valve, connect chain to flush lever with proper slack (approximately 1/2 inch).