Multipurpose Compatibility: Designed to fit most cat water fountain models, these 40 replacement filters ensure your pet enjoys fresh, clean drinking water. Each filter is crafted to meet high standards, providing a universal solution for pet hydration needs. Superior Activated Carbon Filtration: Utilizing high-quality activated carbon, these filters excel in removing impurities, odors, and discoloration from your cat's drinking water. This advanced filtration technology promotes a healthier hydration experience for your pet. Extended Durability: Each filter in this pack is engineered for longevity, offering up to four weeks of effective water purification. This long-lasting design helps maintain optimal water quality, reducing the frequency of filter changes and enhancing overall convenience. Hassle-Free Installation: The filters are designed for easy replacement, making maintenance a breeze. This user-friendly feature ensures that keeping your pet's water fountain clean and fresh is straightforward, encouraging regular upkeep for the best hydration experience. Economical Bulk Package: With 40 filters included, this pack provides a cost-effective solution for maintaining your cat's water fountain. It eliminates the need for frequent purchases, ensuring you always have a clean filter on hand when needed. Colour:As Shown Material:cotton Package Contents: 20 * filter element 20 * filter 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.