Replacement foam cartridge for Crystal Profi i aquarium filters.

Main Features:
• Clear and healthy water: Replacement foam cartridge for Crystal Profi i60-200 aquarium filters.
• Usage: Add the start filter, then insert it into the filter unit.
• Foam with an ideal service life thanks to 25 ppi pores, effective in mechanical and biological filtration.
• No release of harmful substances: 100% water-neutral synthetic material.