The National Geographic Internal Filter Bio Filter Media is designed to fit all sizes of the IF series, and is customizable based on the needs of your tank. It's easy to select replacement media along with any additional media that may be needed. Only at PetSmart.
Features: Interchangeable media system lets you purchase replacements as needed.
Includes: 1 Internal Filter Bio Filter Media
Intended For: Aquarium
Water Type: Freshwater
Filter Type: Internal