Biological Filter Foam for the Oase BioStyle Set of 2

The Biological Filter Foam Set of 2 for the BioStyle 20, 30 & 50

2-in-1 Filtration – The BioStyle 30 ppi filter foam provides 2-in-1 filtration by catching debris and waste while promoting 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. 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.