The ALPHA SP 68 210L is a robust aquarium filter designed for medium to large-sized tanks with a capacity of 210 liters (approximately 55 gallons). It offers multi-stage filtration, combining mechanical, biological, and chemical processes to maintain clean, clear water and a healthy environment for aquatic life. Ideal for both freshwater and saltwater aquariums, the SP 68 ensures efficient debris removal and optimal water quality. With its reliable performance and ease of maintenance, it is a great choice for hobbyists seeking a powerful filtration solution for larger aquariums.