Usage Tips:[High Quality]Our toilet fill valve seal part are made of high grade rubber to ensure durability and sealing [Durability] Toilet fill valve seal replacement effectively prevent leaks,conserve water and extend the life of the toilet fill valve [Compatibility]Designed specifically for Kohler fill valves seal to ensure a perfect match and seamless compatibility, no need to replace toilet fill valve [Easy to Install]Provide for kohler toilet tank part DIY program, easy to install, no professional help, directly replace the old seal, quickly repair the toilet fill valve, reduce maintenance costs [Remarkable Effectiveness]Significantly reduces the toilet tank risk of leakage, improves the efficiency and reliability of the toilet system, ensures the reliability of every flush and enjoys a hassle-free living experience Colour: black Material: rubber Package Contents: 5 x Toilet Fill Valve Seal 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.