Description
【Tumble Filter,Create a ECO environment】Imitate the tumbling filtering method of natural riverbed sand and gravel,New fluid bed filter material,Continuously tumbling to quickly cultivate nitrifying,The filter materials collide with each other, are regenerated and replaced, and the filter materials self-repair and then work again. There is no need to replace the filter materials. 【Bottom Filter Cover and Filter Sponge, Double Physical Filter】Durable, reinforced ABS case, with a cover which protec
