The Smallworld Air Filter fits all aquarium shapes and sizes. Contains top quality carbon/zeolite for chemical filtration, and is a convenient, disposable filtration unit. This filter includes a bracket measuring 4-1/2"x 1-1/2"x 1" and fits in almost any small aquarium with an easy to replace disposable cartridge filter.

• Compatible with any air pump - air pump sold seperately
• Filter removes harmful gases, odor and discoloration
• Disposable, quick and easy to use filtration unit