AquaClear 20 Foam Insert A-598

AquaClear 20 Foam Insert A-598 For 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 use AquaClear 20 Foam Filter Insert provides mechanical filtration by trapping particles and debris in addition to providing biological filtration. Exclusively designed for the AquaClear 20 Power Filter, the insert is safe for fresh and saltwater aquariums. AquaClear 20 Foam Filter Insert for 5-20 Gallon aquariums.