Magnum Micron Cartridge ~ fits all models

Marineland Micron Cartridge is a replacement accessory for use in the original Magnum canister filters. 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.