Insputer Fish Tank Filter Cartridges, 2 Packs Replacement Aquarium Filter Cartridge with 3-Layer Filtration for 30-50 Gallon Saltwater& Freshwater

【Applicable filters】Our aquarium filter cartridges are only suitable for Insputer aquarium filters. The specific size is 3.75 x 0.25 x 2.5 inches. It contains 2 packs of aquarium filter pads that you can replace every 2-4 weeks. 【Super filtration performance】Insputer cartridge filter consists of a high-quality sponge and activated carbon. There are 3 layers, and each cartridge contains a large amount of high-quality activated carbon, which can filter and absorb debris inside the fish tank water, thus keeping the water clean and healthy growth of fish. 【Easy to install】 Installing the turtle filter cartridge can be done quickly, the whole installation process takes less than 5 minutes, take out the old cartridge and replace the new one, no need to worry about affecting your fish and other creatures. (Note: Be sure to rinse the cartridge before use) 【Regular Replacement】The fish tank filter cartridge will fully absorb and filter the impurities in the fish tank after 2-4 weeks of filtration and absorption. So in order to protect the comfortable living space of fish, it is recommended to replace the filter cartridge in 2-4 weeks. 【After-sales service】We is focused on producing high-quality cartridges to keep their filtration capacity. If you have questions about the aquarium filter cartridge, you can contact us at any time, we will try our best to give you a satisfactory answer as soon as possible to help you solve the problem, please rest assured!