Replacement HyperCarbo Cartridge with Sponge For Micron Plus Filter

This is the replacement HyperCarbo Cartridge for the Micron Plus Internal Filter. Efficiently absorbs hazardous substances such as metals, phenols, lignin and helps to lower the amount of nitrogen compounds in the aquarium. Easy to install and use. Contains foam pad and activated carbon for crystal clear water. Lasts for up to 30 days.