Key features

• •【High Efficient Filter】Made of selected quality filter cotton and activated carbon material, safe and durable to use. With this aquarium filter cartridge, you can keep the water clean and the fish healthy.
• •【Excellent Filtration Performance】Captures residues, fish residues, absorption of odors and decolorization, etc. It filters and absorbs a lot of bacterial impurities that are harmful to fish.
• •【Change Every 2 to 4 Weeks】According to tests, the filter cotton has already withstood too much impurities for no more than four weeks and needs to be replaced promptly to ensure a healthy and clean water source.
• •【Easy to Clean】Simply rinse with cold water to remove dust. After rinsing, insert cartridge into flter chamber to protect the health and safety of your fish all the time.
• •【About Item】Includes 6 aquarium filter cotton pads, the size is about 135x55mm / 5.3x2.2in. If you are not satisfied with the product, or have any problems, please contact us in time. Enjoy free return policy.