Step 1 Aquaclear Filtration System filters fine particles out of aquarium waterFor AquaClear 20 and Mini · Mechanically filters dirt and debris · Tailored fit prevents bypass · Large capacity for waste capture · Porous construction provides numerous bacterial attachments · Long lasting and reusable · For fresh and salt water useThe AquaClear Foam Filter Insert provides mechanical filtration by trapping particles and debris in addition to providing biological filtration. Exclusively designed for the AquaClear Power Filters, the insert is safe for fresh and saltwater aquariums. Read More
