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® Premium Activated Carbon Bags work in all Marineland C-Series and Magniflow™ Canister Filters to remove discoloration, odors and water impurities. With Black Diamond® Premium Activated Carbon inside, these easy-to-use bags use chemical filtration for sparkling clear aquarium water. Because carbon deactivates with use, for best results, change the carbon bags every 3 weeks. Marineland Premium Activated Carbon Bags are Rite-Size S, T and X. Clean, sparkling water is the mark of a healthy, thriving aquarium. The amount of filtration needed to maintain an aquarium depends on a number of variables. These include tank size, individual maintenance habits and fish population. Whatever your individual needs, Marineland brand has the filtration products you need to deliver on-target, advanced filtration.