Dual Large Aquarium Sponge Filter for Axolotl, Turtles, Tropical and Cold water Aquariums. Sponge Silent Aquarium Filter, Biochemical Filter, Axolotl, Turtle Tank Filter, Aquarium Filter Media, Dual Head Water Filter, Silent Filtration System Accessory Kit and can be used as a second back up filter for added filtration.with Black Biological Sponge, Free Postage. NOTE:
Adequate Size Air pump and airline is required.
