Economical, efficient and easy to use, describes Aqueon QuietFlow E Internal Power Filters. Installation is quick and easy; they are self-priming and include both hanging clips for use with framed aquariums and suction cups for use with frameless aquariums. The filters include an Aqueon dual-sided replaceable cartridge containing carbon for chemical filtration. The QuietFlow E Internal Filter also includes a bioholster for beneficial bacteria to grow (biological filtration) and a coarse media sponge for additional mechanical filtration. Aqueon products offers a wide range of items so that you can build and maintain a healthy aquatic environment. All the essentials from fish tanks, filters, lighting, food, care, and other supplies that your pet fish needs. We make it easy for you to get your first aquarium and to grow in the hobby as you become more of a fish expert with every step you take and every new thing you learn. For those seasoned hobbyists, we are committed to aquarium product innovation so that we continue to offer products that get you excited. With the Aqueon brand, it's all about the fish.