DUAL STAGE FILTRATION. Bio-Foam removes particles and debris from aquarium water for effective mechanical filtration. It also serves double duty as a powerful biological media thanks to its ultra dense 30 PPI construction, which provides an ideal environment for beneficial bacteria to establish and thrive.

Features:

• Premium mechanical and biological filter media
• Effectively traps waste and debris
• Ultra-dense 30 PPI foam construction helps maintain even and consistent water flow
• Ideal surface to promote beneficial bacteria growth
• Custom fit with no gaps to maximize filtration efficiency
• For best results, replace every 2 months
• For use in freshwater and saltwater aquariums
• Compatible with ALL Fluval AC Series and AquaClear filters!