- The Biological Filter Foam Set of 2 for the Oase BioStyle 20, 30, & 50 and BioStyle Thermo 30 & 50
- 2-in-1 Filtration – The BioStyle 30 PPI filter foam provides 2-in-1 filtration by catching debris and waste while promoting the growth of beneficial bacteria
- Coarse Filter Foam – Provides mechanical and biological filtration results in cleaner, healthier water for your aquarium inhabitants
- Contains two replacement foams that fit inside the chamber of the BioStyle filter. The quantity needed depends on the size of the filter.
- Changing the filter foam – 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.
Two 30 PPI filter foams
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