Ken's Replacement Sponge for Bio Sponge Filter #25 c2 filter case These biscuits also provide beneficial

These biscuits also provide beneficial bacteria to support digestive health

and the fine foam insulation layer ensures gradual airflow

diaphragm and filter pad

The inclusion of mealworms and other carefully selected and tasty ingredients make this a delicious offering most tropical fish immediately attack

New Sleek Design

Ken's Replacement Sponge for Bio Sponge Filter #25 c2 filter case These biscuits also provide beneficialThis is a replacement sponge that will fit the following sponge filters below. Bio Sponge Air Driven Aquarium Filter #25 Fits XY 180 sponge filter Fits Aquatop CAF 25 sponge filter Size: Diameter around 3 inches and 2. 5 inches tall