BioMax Filter Media 350g PT560
Generic Version of the Laguna Biospheres For The Pressure Flo & Power Flo Filters, 120/Box AMP-PT1785
PowerFlo 1000 Biological Media 6 3/4 lb PT565
PowerFlo 1000 Foam, PT555
PowerFlo Pro Biospheres, 120/Box PT1785
PowerFlo Underwater Filter Foams (2/pack), by Laguna PT550