Aqueon QuietFlow Bio-Ceramic Rings

Aqueon Filter Media is perfect for all sorts of aquarium filters, such as hang-on-back filters, internal filters, canister filters, sumps, and more. Using this media helps to improve the appearance and quality of your aquarium water, improving the health of your fish. Bio-Ceramic Rings have been designed to provide a large, porous surface area for beneficial bacteria to grow on, providing filtration for both freshwater and saltwater applications. These rings are great for wet/dry filters and are perfect for use with Aqueon Canister Filters!