OASE BioStyle Biological Filter Foam Set of 4 - Aquarium Filter Media Part # 84246
 
Fits OASE BioStyle filters
The BioStyle 30 ppi filter foam provides 2-in-1 filtration by catching debris/waste and promoting growth of beneficial bacteria
Provides mechanical and biological filtration results in cleaner, healthier water
Contains two replacement cartridges – fit inside the chamber of the BioStyle Power Filter series
Biological filter foams should be replaced after 12-18 months, depending upon aquarium size, number of fish and plants, and declines in filter performance
Filter foams fit inside the filter frames (not included). Rinse foams with water before use.