High quality aquarium fish tank filter. Each bullet uses a plastic structure and a high performance buffer. Black Biobath has a dense pore structure. Filtration Bob Ball is ideal for help with water and helps the gas exchange process. It is perfect for any freshwater or salt water aquarium. Biochemical ball is a plastic hollow sphere, a large area, which can fix a large amount of nitrate bacteria. Porous structure, the shape of the inner sheet can be divided into fine flow and the oxygen solution in water can be added. Filtration of the internal cotton belt: internal biochemical cotton, further increase the effects of the filter, stabilize the quality of the water and accelerate the maturation of nitrification bacteria. This product can be placed on a fish tank, a filtration device such as filtration, a filtration bucket, a wall filter and a wall mounting device. Name: Life Biochemical Ball Product Category: Other aquarium products Material: PVC Role: Purify the quality of the water,
