For Kulife: These replacement sponges are compatible with Kulife aquarium filters 130GPH / 225GPH / 300GPH. Please check the model number, it does not apply to other products.
Pack of 8: Each package contains Coarse Sponge x2, Carbonized Sponge x4, Fine Sponge x2.
Easy Replacement: The whole process takes just seconds. Simply open the filter cover, remove the old filter and replace it with a new one.
Purify water: By repeatedly circulating the water in the tank, this filter sponge can effectively adsorb and filter the impurities in the water to ensure that the water is clean and safe.
Recommendation: Coarse sponge and fine sponge are recommended to be replaced every 1-2 months. Carbonized sponge is recommended to be replaced once a month. It depends on tank size and water quality.
