Keep your fish tank clean and fresh with the Service Kit for Fish Pod Aquarium from Interpet. With this fantastic kit you can keep your fish's tank healthy and liveable. The pack comes with 3 filter cartridges and 3 algaway pads that will clean and purify water and keep algae at bay. Using these monthly will keep your aquarium healthy, clean, clear and algae free! The 1 Month Service Kit for the 64 Litre Fish Pod Aquarium is a high quality one month filter media service kit for a CF2 internal cartridge filter.