Key Features :
- Specifically designed for Fluval FX filters
- Effective at removing and controlling phosphate
- Effectively traps floating particles for clear water (debris, excess food and waste)
- Prevents potential outbreak
- Custom fit to increase filtration efficiency
- For best results, replace monthly or as required after testing water with your Fluval test kit
- Convenient 3-pack format
- For use in freshwater and saltwater aquariums