- Housing for Beneficial Bacteria
- Hide-out / Housing for Shrimps & Fish
- Koi Fish pond filter media
- Marine Tank sumo filter ceramic media
- Size : 16cm x 3.5cm x 3.5cm
- Packing : 2 PC per Pack
- A best biological media to house bacteria
- Comes in rectangular tubes with holes in the center for efficient water flow
- Can be used in canister filter or in sump