EasyPro BBM2B Bio-Blox Polyester Filter Media — 2 Cubic Feet (pre-filled 1/4" Mesh Bag) | 500 Square Feet of Surface Area per Cubic Foot

Economical, high-capacity biological media designed for large-volume filtration. Supplied in a pre-filled 1/4" mesh bag containing 2 cubic feet of durable polyester Bio-Blox that is built to last for years. Each cubic foot delivers 500 Square Feet of surface area, providing abundant space for beneficial bacteria to colonize and more effectively break down toxic ammonia and nitrite. A budget-friendly option for big systems, this product contains the same Bio-Blox media used in all of our Eco-Series filters.