Solve the discoloration of bite valves with replacement parts that restore your water bottle's appearance. Recommended to replace the mouthpiece every three months for optimal performance and hygiene. Made from high-quality food-grade silicone material, ensuring safety and usage. Accurate compatibility with various for models, including stainless steel and plastic options. Easy to install, providing a quick and effective solution to maintain your water bottle's functionality. These replacement mouthpieces are designed specifically for water bottles, ensuring a and restoring the look of your bottle. Made from Material, they are safe for everyday use. Regular replacement helps maintain hygiene and performance, making it essential for users who value cleanliness and efficiency. Compatible with multiple sizes, these valves are a practical choice for anyone looking to enhance their water bottle experience. Color:As Shown Material:plastic Package Contents: 10 * filter cartridges 10 * suction nozzles 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.