Product Introduction: The definitive throw-type filter, includes 9 water based eight core filters, with activated carbon cartridges. Suitable for 11.8 - 15.7 inches (30 - 4How to use: Replace the filter material when it becomes noticeable. Activated carbon cartridge lasts approximately 2 weeks. We recommend replacing them as soon as possible. Furthermore, please do not use activated carbon cartridges as they may absorb ingredients when you are using fish diseases.
Replace the filter material when the dirt gets noticed. Activated carbon cartridge lasts approximately 2 weeks. We recommend replacing them as soon as possible. Furthermore, please do not use activated carbon cartridges as they may absorb ingredients when you are using fish diseases