8 Pack Aquarium Filter Cartridge Replacement J31273

Excellent Filtration Performance: The filter cartridges are made of premium cotton, activated carbon and built-in biological grids, which can effectivly remove odors and discoloration, and promote the growth of beneficial bacteria, to maintain a healthy aquatic environment. Easy Installation: AQQA filter cartridges are designed to be easily inserted or replaced; You only need to remove the dirty cartridge and insert a new one. Please turn off the power when replacing the cartridge. Fits AQQA Aquarium Internal Filter (AQ025): Size Small/Medium/Large will fit AQQA Aquarium Internal Filter 79 GPH/120 GPH/172 GPH respectively. Wide Application:Suitable for freshwater and saltwater aquariums,AQQA provide 24 Hour Professional After-sales Service.