Key features

• •【Strong Compatibility】 Small replacement aquarium filters cartridges compatible with Aqueon QuietFlow E Internal Power Filter 10 and 1/2.5/5 Gallon Minibow Aquarium Filters. It's great choice for your Filtration Systems, (Unit Size: 2.5"*3.66").
• •【Excellent Filtration Performance】The filter cotton is made of dual-density cotton and coconut shell activated carbon, it has 3-layer filtering effect, which can filter and absorb 99% of the sundries to fish, so as to keep the water source clean and the healthy growth of fish.
• •【Small Fish Tank Filter Cartridge 】Replacement filter cartridges small for Aqueon replacement filter cartridges small are made from premium activated carbon, effectively removing harmful elements from aquarium water. Additionally, replacement for Aqueon small filter cartridges promote the growth of beneficial elements and aquatic plants, and provide a clean and healthy environment for your fish and plants.
• •【Advice for Replacement of the Aquarium Filter】According to the test, the bio wheel aquarium filter cotton has already withstood too much impurities for no more than four weeks, so you need to replace it with a new one. For optimum performance, replacement approximately every 2-4 weeks is recommended.
• •【Long-Lasting Value Pack】 8 pack small fish tank filter, 5.5 in L x 3.1 in W, each cartridge provides up to 4 weeks of continuous filtration; they to keep your aquarium maintenance on schedule.
• •【Quick Installation】: Rinse the new filter cartridge under cool water to remove carbon dust, align the cartridge bottom key slot, insert the filter cartridge into the filter chamber, and make sure the filter cartridge fits completely into the Marineland Filtration System Filter chamber.