AquaClear 70 Filter Insert Foam AquaClear 70 Foam Filter Insert provides mechanical filtration by trapping particles and debris in addition to providing biological filtration. Exclusively designed for the AquaClear 70 Power Filter, the insert is safe for fresh and saltwater aquariums.
For AquaClear 70 , "300" and "1200"
Mechanically filters dirt and debris
Tailored fit prevents bypass
Large capacity for waste capture
Porous construction provides numerous bacterial attachments