Boyu SF-01 Large Biochemical Sponge Foam Filter - Round
The SF-01 round bio-sponge aquarium filter absorbs dirty matter in your fish tank while also cultivating nitro-bacteria which is responsible for quick decomposition of harmful substances. This sponge filter is driven by your aquarium air pump (not included) to create a current and filter the water. For those looking to add a little extra filtration to their tank, an aquarium fish tank biochemical sponge filter is the perfect solution.
Biochemical sponge filters are ideal in tanks with fish such as discus, dwarf cichlids, guppies, killifish, shrimp, etc. It helps to filter any tank no matter what substrate is being used at the bottom.