Bio 3 Filter Cartridge Whisper 20.30.40.60./ Bio System 25,35,55,75, Single Pack

This high-quality filter cartridge is perfect for aquarium enthusiasts looking to keep their tanks clean and healthy. Designed for use with AQUA-Tech filters and Bio Systems 25, 35, 55, and 75, this Whisper cartridge can be used in the Whisper Filter C,1,2,3 & 20,30,40,& 60  is an essential item for any aquarium owner.With its advanced filtration technology, this cartridge is capable of removing even the smallest particles from your aquarium water, leaving your tank clean and clear. So if you're looking for a reliable and effective way to keep your aquarium in top condition, look no further than this Bio 3 filter cartridge.