Compatible With Petnf Cat Fountains: This filters ONLY compatible with the PETNF 101 ounce (3 Liters) Black Pet Fountain
High Quality Replacement Filters：4 pack of premium cat water fountain replacement filters, individually packaged and sealed， safety and healthy
This filter can trap hair and debris, keeping your cat's water clean and fresh while also trap hair and debris before it reaches the water pump of cat fountain, helping to extend the life of the pump, so it is essential to change the filter frequently
Warm Tips: To prevent the activated carbon dust (which will not harm your pets) from shedding into water, please soak the filter in water for 2 minutes and rinse it thoroughly under running water before use
Recommendation：It is recommended to change your pet's fountain filter once every 2 to 4 weeks to keep the water fresh and clean
