- 【Safe and Quiet】Microporous biochemical filter sponge without sucking up your fish and very quiet. This sponge filter can work great in breeding tanks, shrimp and betta fish tank, freshwater and marine tank..
- The sponge filter provides mechanical filtration, Bio ceramic media balls provide biological filtration, it helps with decomposing harmful substances and cultivating beneficial nitrifying bacterial at the same time..
- Filter sponge and bioceramic media balls are replaceable and reusable.The sponge medium is harmless to fish and it's suitable for both fresh and saltwater environments..
- Use a 4mm air tube to connect the end to the air pump and the other end to this tank filter(Note: The air pump is not included, you need to choose the air pump according to the size of your fish tank)..