At Uncle Bill’s Pet Center, we not only offer Marineland filters and refills for sale, we also employ a highly trained staff that can assist you in finding an appropriate equipment for your tank. Marineland® brand is the world's leading brand of innovative equipment and environments for consumers wishing to create the ultimate aquatic showcase. Committed to fishkeeping success for over 40 years, the brand is the professional's choice for commercial display systems and scientific research. Whatever you're passionate about ? freshwater or saltwater, big or small, beauty or science ? make your aquarium your own.Marineland® Penguin® Bio-Wheel® Power Filter Cartridges are designed to meet the absolute highest standards of water purification, performance and operational ease. Each replacement cartridge is pre-assembled and slides easily into place, providing superior mechanical and chemical filtration and making replacement fast, dry and effortless. The cartridge mechanically filters water through a pad of double-thick poly fiber. Debris and waste particles are trapped, and water is chemically filtered through Black Diamond® Premium Activated Carbon. Inside the cartridge, a patented ribbed backing ensures even distribution of activated carbon to deliver maximum water-to-carbon contact. The result is crystal clear, clean water. Features convenient, color-coded Rite-Size packaging to make it simple to choose the right replacement cartridge. We will be glad to work with you to ensure that you use suitable aquarium equipment for optimal health and happiness of the inhabitants of your tank and by providing the best selection and value on premium filters and refills for sale in Indiana.