Top Quality Activated Carbon for External Aquarium Filters, Water Decholrinators/Water Purifiers. Activated carbon can be easily added to external filters to eliminate odors, detoxify harmful metals and keep your water nice and clean. Carbon needs to be replaced every three months.
Activated Carbon Filter Media Pellet Size 10mm - 20mm (average)
Removes impurities and Odours
Clears Water
Detoxifies metals