Fluval 306/406 Bio-Foam

Exclusively designed for Fluval aquarium canister filters, Fluval Bio-Foam performs exceptional mechanical and biological filtration. Bio-Foams dense structure is very effective at trapping small particles that are not captured in the first stage of foam filtration. In addition, its intricate network of pores provides a large surface area that encourages the growth of helpful nitrifying bacteria, which is crucial for efficient biological filtration and goes a long way in creating clear and healthy water for fish and plants to thrive. Suitable for freshwater and marine environments.

• 4 total Fluval foam filter block media
• Suitable for both fresh and saltwater aquariums
• Bio Foam filter media captures large particles from fish tank water
• Designed for the Fluval 304, 305, 306, 404, 405, 406 canister filters
• These aquarium foam blocks help promote beneficial bacteria for bio filtration