Oase BioCompact 25 Filter Foam Set

• Includes two complete filter foam sets
• Includes filter foam containing activated carbon
• Replace the filter foam set when you notice a decline in aquarium filter performance

The Filter Foam Set for the BioCompact 25 includes two complete filter foam sets. Includes filter foam containing activated carbon. It is best to replace the filter foam set when you notice a decline in aquarium filter performance.