Instructions: 1. Rinse filter cartridge under cool tap water to remove carbon dust. 2. Open lid and insert filter cartridge into filter. 3. Replace clogged filter cartridge when there is reduced water flow out of the filter. For best results, change filter cartridge monthly.

• Maintains the performance of Tetra power filters with ultimate convenience
• Coarse floss layers remove large debris, keeping aquarium water clear and clean
• Activated carbon removes discoloration, odor, toxins other aquarium impurities
• Dense, dual-sided mesh catches debris and fish waste, promoting healthy fish
• Includes a 3-pack of medium, ready to use replacement filter cartridges