US
Winonly

Winonly Universal Toilet Flapper 2 Inch

  • Material: Stainless Steel
  • Item Weight: 0.15 pounds
  • Color: Blue
  • Product Dimensions: 3.9 × 3 × 2.2 inches

Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A capable 2-inch flapper that lives up to its cross-brand claims once you confirm valve size first. Skip it if you haven't measured.

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ASIN: B0CJ6XMC91Category: Toilet Flappers

Overview

Winonly's blue rubber flapper is sized for 2-inch flush valve toilets and is built to work across brands including American Standard, Kohler, Fluidmaster, TOTO and Gerber, with a stainless steel chain for the flush lever connection.

Despite the universal name, size is still the deciding factor: it fits 2-inch openings only, and buyers who skipped measuring were the ones who came away disappointed.

  • Fits 2-inch flush valves
  • Stainless steel chain
  • Compatible with American Standard, Kohler, TOTO, Fluidmaster, Gerber
  • Simple DIY install

Who it's for

Anyone with a running or ghost-flushing toilet on a 2-inch flush valve who wants a replacement that isn't tied to one brand. It is not built for 3-inch openings, whatever the universal branding implies.

Pros and cons

Pros
  • Rust-proof stainless steel chain
  • No tools required to install
Cons
  • Universal only means 2-inch, not all sizes
  • Won't resolve flushing problems caused by the flush valve itself

Performance notes

Chlorine-resistant rubber forms the seal against the valve seat while a rust-proof stainless steel chain links the flapper to the lever rod, with ears that clip onto the overflow pipe.

Specifications

BrandWinonly
Dimensions & fit
Item Weight0.15 pounds
Product Dimensions3.9 × 3 × 2.2 inches
Construction & materials
MaterialStainless Steel
ColorBlue
Included components
Included Components1*2-inch Toilet Flapper; 1* Stainless Steel Chain;
Item Package Quantity1
Other details
Style2 inch-1 Pack
Special FeaturesEasy To Install
UsageCommercial/Residential

Frequently asked questions

Is this flapper really universal?

It fits most toilets with a 2-inch flush valve across brands like Kohler and American Standard, but it will not fit a 3-inch valve.

Will this fix phantom or ghost flushing?

It stops flushing caused by a worn flapper; one reviewer found their issue was the flush valve itself and needed a full valve replacement.

What is the chain made of?

A rust-proof stainless steel chain.