Replacement Biological Filter Foam for Oase BioStyle Aquarium Filters

This replacement filter foam fit the Oase BioStyle 20, 30, or 50, as well as the Oase BioStyle Thermo 30 or 50. Filter foam should be replaced every 12-18 months (depending on aquarium size, number of fish and plants).

2-in-1 Filtration
This coarse, 30ppi filter foam combines mechanical and biological filtration:

• Mechanical filtration catches debris and waste
  
• Biological filtration promotes the growth of beneficial bacteria for healthier water

Installation instructions
Filter foams fit inside the filter frame (not included). Rinse with water before use.