Bio-Blox - 2 Cubic Feet With MB21 Mesh Bag

Great affordable choice for large volume application. Contains same Bio-Blox media used in all of our Eco-Series filters!

Bio-Blox Filter Media 

• Great low-cost choice for large volume applications
  
• Approximately 525 square feet of surface area per cubic foot, allowing for maximum filtration in a given area.
  
• Long lasting material can be washed and reused over and over
  
• Mesh media bag holds Bio-Blox for easier handling