The Tetra EasyCrystal 300 is an internal filter specifically designed for freshwater aquariums. With a maximum capacity of 250 liters, this filter is ideal for medium-sized aquariums and ensures effective water purification. The filter uses filter cartridges that allow for easy handling and maintenance. Its compact dimensions of 31 cm in width and length and 13 cm in height make it a space-saving solution for aquarium care. The EasyCrystal 300 is manufactured in China and offers reliable filtration performance to optimize the water quality in your aquarium. By using this filter, aquarium owners can ensure that their fish and plants live in a clean and healthy environment.