Eshopps Foam - Square - Lg - 13.5 in. x 4 in. x 2.25 in.

Replacement filter foam is designed to provide extra mechanical filtration in Wet/Dry Aquarium Filters & Sumps. Dense pad can also be cut to size and used in other applications.

For more information, please read our articles on Aquarium Filter Maintenance and Wet/Dry and Sump Aquarium Filter Basics.