Keep your pet's water clean and fresh with PATPET Replacement Filters & Foam Filters. Made with high-density cotton and coconut shell activated carbon, this filter also includes ion exchange resin for added purification. It catches hair and debris, extending the life of your water fountain pump.

• High-Density Cotton & Coconut Shell Activated Carbon & Ion Exchange Resin
• Helps keep water clean and fresh
• Catches hair and debris
• Helps in extending the life of your water fountain pump
• For best results, replace the round filter every 2 weeks and the foam filter every 1-2 months

Compatible With: PATPET Automatic Pet Water Fountain 2.5L

Includes: 4 Round Filters & 4 Foam Filters