The Filter Foam Set for the BioCompact 50 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.
The Filter Foam Set for the BioCompact 50 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.
