Keep your aquarium water pristine with the official Sicce Aqua Filtra 10-20 Replacement Cartridges. This convenient 2-pack ensures you always have a fresh filter on hand for your Sicce Aqua Filtra 10 or 20 internal filter, providing consistent and reliable 3-stage filtration for a healthy aquatic environment. The all-in-one design makes maintenance a breeze, allowing you to replace the old cartridge with a new one in seconds. Experience the difference of crystal-clear water and a thriving aquarium with these genuine Sicce replacement cartridges.