Bio-Foam Filter Blocks for Fluval 106 and 107 Filters, 2-Pack

Specially designed for Fluval 106 and 107 high-performance external filters, Bio-Foam filter blocks provide effective mechanical filtration by trapping large particles and debris.

Key Features:

• Constitute a mass of mechanical filtration;
• Effectively trap most waste and debris;
• Feature a complex foam structure that maintains uniform water flow and naturally promotes the proliferation of beneficial bacteria;
• Are custom-fitted to prevent debris from passing through;
• Enhance the biological filtration process;
• Are offered in a convenient 2-pack;
• Should be replaced every 6 months;
• Are suitable for fresh and saltwater aquariums.