An ideal combination of quiet operation, small size, high performance, quality components, and low cost. The best performance-to-size ratio in the market. Magnetic mounting system. Adjustable flow with a 360-degree angle. Pure ceramic bearings reduce noise and extend lifespan. Pre-lubricated, self-cleaning impeller. Silicone wire protection. 3.5 watts for 3500 liters per hour. Suitable for marine aquariums up to 250 liters or freshwater tanks up to 400 liters.