Description
【Upgraded Aquarium Filter Sponges】: The filter pad adopts a honeycomb shape design, which has strong water permeability and active carbon inside can filter and absorb 99% of the bacterial impurities harmful to fish. Scientifically filter bacterial impurities, establish a nitrification system, and stabilize the cultivation of nitrifying bacteria. 【8 Layers of Filter Pad】: 8D solid filter media pad provides high efficiency filtration.8 layers include 3-dimensional mesh cloth*2, Ultra high precisio
