Keep your pet’s water clean and fresh with these replacement filters designed for PETKIT EVERSWEET and CYBERTAIL fountains. Featuring a multi-layer filtration system made of high-density micropore material, activated carbon, and ion-exchange resin, it effectively removes hair, odors, and heavy metals while improving water taste.  Each filter helps maintain healthier hydration by delivering purified, circulating water that encourages pets to drink more. Individually sealed for freshness and easy to replace, these filters are recommended to be changed regularly to ensure optimal performance and hygiene.