Exclusively crafted for Fluval 306/307 and 406/407 canister filters, Bio-Foam+ serves a dual purpose as both a mechanical and biological filtration medium.

• Combines mechanical and biological filtration
• Compact design effectively captures tiny debris
• Complex, porous structure offers ample space for beneficial bacteria to thrive
• Promotes clear and safe water conditions for aquatic life and plants
• Available in a practical 2-pack set

Compatible with filter models: 304, 305, 306, 404, 405, 406
Suitable for both freshwater and saltwater setups