Fluval Bio-Foam 306 / 307 / 406 / 407 Black - 2pcs A237
Designed specifically for Fluval 306/406, 406/407 canister filters, Bio-Foam+ performs double duty as both an effective mechanical and biological media.
- 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