Description
🐟🐟HIGH QUAILITY: Built-in new V-1 biochemical filter material, Imitate the filtering method of natural riverbed sand and gravel through continuous tumbling, the filter media collide with each other to let the dead little creature fall off, and the new little creature adhere to it. Unique design fluidized moving bed filter media with strong bio-film growth capacity 🐟🐟IMPROVE WATER QUALITY: The sponge filter of the bottom, traps large floating particles, air inlet connected with a air stone, great
