The ALPHA SP 150 210L is a high-performance aquarium filter designed for efficient water filtration in saltwater and freshwater tanks. With a capacity of 210 liters (approximately 55 gallons), it ensures crystal-clear water by effectively removing debris, harmful substances, and contaminants. The SP 150 model is known for its reliable and powerful filtration, featuring multiple stages of mechanical, biological, and chemical filtration to maintain a healthy environment for aquatic life. It is ideal for medium to large-sized aquariums, providing ease of maintenance and consistent performance.