2pcs，Filter waterfall filter replacement cotton core filter board wall mounted filter with built-in filter box，Aquarium Filter Replacement

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High Efficient Filter---This aquarium filter replacement has great filtering effect, can removes debris colors and odors, makes water clean and crystal clear. Perfect in Workmanship---This aquarium filter replacement is perfect in workmanship, can perfect replacement for the original replacement. Easy to Install---This aquarium filter replacement is quick and easy to install, no tools required, you can do the work easily. Qualitative Materials---This aquarium filter replacement adopts activated carbon and cotton as main filter material, which has good filtering effect. High Efficient Filter:High efficient filter to removes debris colors and odors, makes water and crystal; colors and odors. Materials:This aquarium filter replacement adopts activated carbon and cotton as main filter material, which has good filtering effect. 【EXCELLENT FILTRATION PERFORMANCE】The filter cotton is made of cotton and activated carbon, which can filter and absorb 99% of the bacterial impurities harmful to fish, so as to keep the water source clean and the healthy growth of fish.