1.For repair part: Toilet flapper is replacement for 38920to0070A 3toInch Flapper. 2.Water saving: Replace old, leaky and inefficient toilet flappers to save on expensive water waste with this large toilet flapper 3.Easy to Install: No tools are required for installation.Includes stainless steel chain with clip hook.. Use the Flapper Assembly with the 3 onetopiece toilet. You will install it easily with confidence. 4.3toInch flapper assembly: Fix common running toilet problems with toilet flapper. The Flapper is engineered to function flawlessly and the superb design is durable and reliable. 5. High quality replacement toilet parts :Replace old, leaky and inefficient toilet flappers to save on expensive water waste. Compatible with WDI models 4027.016, 4021.016 and 4019.016 using the white flush valve Compatible with 3 OnetoPiece toilets models 2403012, 2403500, 2403800 and 2403850 Product features: 1.Quick Easy to Install: We know you have better things to do than work on your toilet, so our products are designed for quick installations. 2. Lasting Materials: Made of material that withstands modern water treatments to ultimately save water and money. 3.Quickly fix running and leaking toilets and eliminate costly water waste. Color: White Material:PVC size:Length: 12cm or 4.72inch Height: 5cm or 1.97inch Width: 9.5cm or 3.74inch Package Contents: 2xToilet Flapper Note: Check the repair part information for your toilet to confirm compatibility Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1to3cm.