DXOPHIEX 8PCS Replacement Cartridge for Aquarium Internal Filter, Aquarium Filter Cartridge for Submersible Aquarium Filter CFP300

【Package Contains】：8-pack filter cartridges, suitable for freshwater and saltwater aquariums.. 【Super Adsorption Capacity】: The aquarium filter cartridge is made of high-quality cotton and contains biologically activated carbon with excellent filtration performance, which can easily filter debris and fish manure, remove odor and discoloration, and give your fish a high-quality living environment.. 【Easy to Install in Seconds】: Just need to take the filter inlet screen off from the filtration cage, and then take the used filter cartridge out from the inlet screen, holding the tab on the cartridge and pulling it out to install a replacement filter cartridge.. 【Apply to】: The fish filter cartridge only fits for DXOPHIEX aquarium internal filter CFP300 which is suitable for 5-12gallon tank.. 【Recommended Replacement】: For best performance, we recommend changing it every 2-4 weeks to keep the water healthy and clean at all times.