The advanced 5-in-1 filtration system combines activated carbon, ion exchange resin, mineral stones, antibacterial ceramic balls, and a stainless steel mesh filter to help keep your pet's water cleaner and fresher. 

It helps reduce impurities, odours, and mineral build-up while improving water taste, encouraging cats to drink more and stay hydrated.

Replacement guide: Replace every 30 to 60 days for best results. Rinse the filter under cold water for 30 seconds before placing it into the fountain.

Compatible with: Catstages Purrfect Rain Cat Water Fountain