Fluval FX4/FX5/FX6 Bio-Foam – A239

• Mechanical/Biological filter media
• Dense structure ideal for trapping small particles
• Intricate, porous network provides vast surface area to facilitate growth of beneficial bacteria
• Helps create clean and healthy water conditions
• For use in freshwater and saltwater aquariums
• Convenient 2-pack format

Features

1. Mechanical/Biological filter media
2. Dense structure ideal for trapping small particles
3. Intricate, porous network provides vast surface area to facilitate growth of beneficial bacteria
4. Helps create clean and healthy water conditions
5. For use in freshwater and saltwater aquariums
6. Convenient 2-pack format