[Compatibility]Toilet tank silicone flapper seal gasket 3 inch compatible with American Standard 7381424-100.0070A Vormax toilet. Compatible with double flapper Vormax toilets. [ ]Silicone Flapper Seal for American Standard Vormax toilet is made of durable, dry-rot resistant silicone rubber, so it has long service life. Our factory use device to make molds making seal fit perfectly. [Stop Leaking]When toilet flapper seal is aged and deformed, flapper can't tightly reseal against flush valve, and water will continue to flow down into the toilet bowl, resulting in running toilet, self flushes or ghost flushes. These flapper seals help you fix problems. [Backup]If you have toilet for American Standard VorMax, you will know that flapper seals do wear out over time. With this 4 pack seal, you have extra seals to replace. It only takes 5 minutes to install and don't need any tools. [Save Money]No need to spend hundreds of dollars to hire a repairman to help you repair it. Our toilet flapper seal is a cost-effective and product, which can meet your needs. Replacement flapper seal is compatible with 7381424-100.0070A Vormax toilet, including VorMax Plus, Heritage VorMax, Estate VorMax, and High Efficiency series. Good sealing to prevent toilet from self - flushing or ghost flushing. Material: silica gel colour: Transparent white Package Contents: 4 x Vormax Flapper Silicone Seals Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.