Super Flapper

One Flapper. Any Standard Flush Valve. Problem Solved. Whether you’re fixing a slow, noisy, or leaky toilet, the Fluidmaster 523A-009 Super Flapper takes the guesswork out of toilet repair. Built to fit both 2-inch and 3-inch flush valves, this universal flapper eliminates sizing confusion—just install and go. Designed with the pro in mind and built for performance, this flapper helps restore factory specs and save water, even in older high-flow or modern low-flow systems. Key Features & Benefits Universal 2″–3″ Fit – Works with most toilets, including Kohler, American Standard, and more Flexible Rubber + Adjustable Dial – Customize your flush rate for maximum water savings Corrosion-Resistant Materials – Engineered to withstand chlorine, hard water, and cleaning chemicals Solid Frame Design – Stays in place during flush cycles, won’t twist or shift Pre-Installed Adjustable Chain – Ready for quick install, easy to fine-tune Dual Flush Compatibility – Ideal for both standard and high-efficiency toilets Installation Made Simple Snap it in, adjust the chain, set the dial—it’s that fast. Whether you’re a weekend DIYer or servicing a multi-unit property, the 523A-009 saves time and minimizes callbacks. Specs & Compatibility Fits flush valves: 2″ and 3″ Toilet types: Compatible with 1.6 GPF, 3.5 GPF, and dual-flush systems Material: Chlorine- and hard water-resistant rubber with brass eyelets Installation: Tool-free, under 5 minutes Warranty: 10 years Trusted by Pros. Ready for Any Job. Backed by Fluidmaster’s reputation for reliability and a 10-year warranty, this flapper is your go-to fix for common toilet issues. It’s the part plumbers reach for—and the one DIYers recommend again and again. ** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner. WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.