Bio-Blox Filter Media is a great low-cost solution for large-volume biological filtration applications. With approximately 525 square feet of surface area per cubic foot, Bio-Blox provides plenty of space for beneficial bacteria to grow, helping maximize filtration performance in a compact area.

Made from durable, long-lasting material, Bio-Blox can be washed and reused repeatedly for dependable, long-term use. A convenient mesh media bag helps keep the media contained, making handling, removal, and maintenance easier.