Replacement sponge only!

This sponge filter replacement sponge is perfect for your aquarium needs. Designed for use with the Hydro-Sponge Pro #5 Bio Filter, it is made from high-quality foam/sponge material that effectively filters all water types for tanks up to 125 gallons.

The brand, ATI, ensures the reliability and durability of this sponge filter replacement sponge. It is easy to install and fits perfectly in the internal filter location. Enhance your aquarium filtration system with this top-of-the-line sponge filter replacement sponge.