Package Contents: You'll receive 5 pieces of toilet fill valve at the size of 2.9x2.9cm/1.14x1.14in for you to fix leaky toilets.Compatibility: The toilet fill valve seal is compatible with for Fluidmaster 242, 400 , 747, also for Kohler 83143. Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits, including for Fluidmaster and for Kohler.Premium Material: The toilet fill valve seal is made of premium rubber, which is reliable and long-lasting, not easy to break or fade and has good sealing performance.Why Choose Us: The toilet fill valve seal can help to make flushing quieter and more efficient, giving you a better using experience.Easy to Install: No need to replace the entire valve, the toilet fill valve can simply install by yourself without plumbing expertise. You can use with confidence.Note:Due to different production batches, the physical objects are slightly different.Product Size:2.9x2.9cm/1.14x1.14inColour:BlackMaterial:rubberPackage Contents:5 * Toilet Fill Valve SealOnly 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.