Provide both mechanical and biological filtration.
Simply install an airline into the unit and provide both aeration and filtration for your fish (Air pump sold separately).
The sponge traps larger waste particles mechanically cleaning the water without trapping baby fish. The porous ceramic material is an ideal home for the cycle bacteria to colonize.
Product dimensions: 4.5”W x 7.5”H; sponge and ceramic compartment dimensions: 1.75”D x 4.75”H. They are useful for as breeding filter or as secondary filter. Or they can be used as pre-filtration unit by fitting to an external or a top filter.
Max tank size up to 50 gallon. Package includes: 2 sets of Sponge filter, 2 bags of small ceramic balls.
