Designed specifically for Fluval 306/406, 406/407 canister filters, Bio-Foam performs double duty as both an effective mechanical and biological media.
Key Features:
- 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 fish and plants
- Convenient 2-pack format
