Strong Compatibility: The code number of our aquarium filter cartridge is S, and the specific size is 3.75 x 0.25 x 2.5 inches. It is very suitable for Minibow Aquarium Filters Size 1 / 2.5 / 5 gallon and QuietFlow E Internal 10 on the market. With this aquarium filter cartridge, you can keep your water healthy every moment. It contains 6 pack aquarium filter cottons, which you can change every 2-4 weeks.
Excellent Filtration Performance: The filter cotton is made of cotton and activated carbon, which can filter and absorb 99% of the sundries, so as to keep the water source clean and the healthy growth of fish.
Quick Installation: Turn off the power in less than 5 minutes, thereby improving time efficiency. Resuming daily activities quickly and filtering in the process that makes a big difference. Just remove the old and filthy filter and replace it. Protect the health and safety of your fish all the time.