Keep your aquarium free from impurities with KWUY Small Replacement Filter Cartridges. These cartridges are designed to remove excess food, debris, and other contaminants from your fish tank, ensuring that your aquatic pets stay healthy and happy. The cartridges are made of activated carbon, which provides excellent filtration capabilities without adding too much bulk to your tank.

This 6-pack of replacement filter cartridges is perfect for all breed sizes and is suitable for all life stages. The cartridges are NSF certified, indicating that they meet high standards of quality and performance. To install the cartridges, simply replace your old filter media with these replacement cartridges, and watch as your fish tank becomes clear and free from contaminants.