EastVita Mini Filter Fluidized Moving Bed Filter Bio Sponge Filters With Strong Suction Cup Fish Tank Aquarium Accessories

--Imitating the riverbed in nature, the sand and gravel roll on the riverbed with the flow of water, multiply in it from generation to generation, which plays a role in purifying the water quality.

--Physical filtration, adding a filter sponge at the bottom to intercept large particles of dirt

--Strong suction cup to ensure stable fixation

--The fluidized bed filter material starts to float, and it takes 1-2 days to soak in water to achieve suspension and tumbling