AquaClear BioMax Filter Insert provides an optimal environment for beneficial bacteria growth. Reducing ammonia and nitrite levels, it increases biological filtration efficiency by 30%. Exclusively designed for the AquaClear Filter, the insert is safe for fresh and saltwater aquariums.

Available in the following sizes:

• Filter Insert for AquaClear 20
• Filter Insert for AquaClear 30
  
• Filter Insert for AquaClear 70
• Filter Insert for AquaClear 110