Internal Filter Micron 300High quality internal filter designed and manufactured by Sicce in Italy. Ideal for small aquariums and terrariums up to 75 liters of capacity. MICRON is equipped with a floating rotor system, integrated with an anti wear and a unique system of controlling the flow of water that allows you to adjust the filtering based on the volume of water in the aquarium. The filtering action is carried out by a cartridge activated carbon and zeolite which ensures