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" used in PSMFB and PS1FB skimmers
- 23" used in PS2FB skimmers and all PSA skimmers
- Available 13, 15" or 23" long x 4" diameter and can be cut down in length if needed.