The ALPHA SP 320 210L is a powerful aquarium filter designed for medium to large-sized aquariums with a capacity of 210 liters (approximately 55 gallons). It delivers efficient multi-stage filtration, combining mechanical, biological, and chemical processes to maintain clean and healthy water. Ideal for both freshwater and saltwater setups, the SP 320 ensures effective debris removal and water quality management. With its reliable performance and easy maintenance, it is perfect for hobbyists looking to keep larger tanks in optimal condition.