Designed specifically for the Fluval FX4, FX5 and FX6 performance canister filters, Bio-Foam captures large particles and debris for effective mechanical filtration.

Key Features :

• Mechanical filter media
• Effectively traps majority of waste and debris
• Complex foam structure maintains consistent water flow and naturally promotes beneficial bacteria growth
• Custom fit to prevent debris bypass
• Enhances the biological filtration process
• Convenient 3-pack format
• Replace every 6 months
• For use in freshwater and saltwater aquariums