Filter brushes have long been used in the koi industry as a great filter media. Brushes will collect large amounts of debris yet will not restrict water flow even when dirty. Filter brushes work well for both solids removal and biological filtration.
- 15″ brushes are used in Pro-Series PSMFB and PS1FB skimmers and all Axiom PSA skimmers. Brushes are approximately 4″ diameter.
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