This API Filstar XP Micro-Filtration Pad Aquarium Filter Media helps remove small particles from the water in your aquarium. The cotton pad fits into your filtration compartment to help remove small particles so your aquatic friends can swim in clear, healthy water.
Features: Helps remove small particles from the water before it is returned to the aquarium
Includes: 3 filtration pads
Intended For: For use with the API Filstar xP filter (not included)
Place cotton pad into the top filtration compartment. Replace the cotton pad at least once a month or every time the water is changed.