Features - Made in Italy! - Compact size - Ball joint allows for adjustable flow direction - Built-in power cord guide - High Efficiency Impeller - Cushioned anti-noise system for quiet operation - Super safe and strong magnet - Energy efficient Circulation pump for aquariums. Useful to re-create natural currents in fresh water and marine aquariums. Compact size, adjustable direction of water flow. Self-cleaning and high efficiency impeller. High performance with minimum power consumption. Safe mounting thanks to a powerful magnetic holder with anti-vibration and anti-noise features. Reliable, extremely silent and easy to maintain. Specifications (1900) - Power Consumption: 2.6W - Flow Rate: 200 - 375 GPH - Max. Glass Thickness: 0.31" (8mm) - Dimensions: Length - 3.8", Diameter - 1.6" Specifications (3200) - Power Consumption: 2.8W - Flow Rate: 800 GPH - Max. Glass Thickness: 0.6" (15mm) - Dimensions: Length - 4.3", Diameter - 2" Specifications (5900) - Power Consumption: 5.2W - Flow Rate: 1475 GPH - Max. Glass Thickness: 0.6" (15mm) - Dimensions: Length - 4.8", Diameter - 2.3" Specifications (7500) - Power Consumption: 6.2W - Flow Rate: 1875 GPH - Max. Glass Thickness: 0.6" (15mm) - Dimensions: Length - 4.8", Diameter - 2.3" Specifications (10900) - Power Consumption: 2.6W - Flow Rate: 2675 GPH - Max. Glass Thickness: 0.6" (15mm) - Dimensions: Length - 5", Diameter - 2.4" Specifications (13300) - Power Consumption: 2.6W - Flow Rate: 524 - Max. Glass Thickness: 0.6" (15mm) - Dimensions: Length - 5", Diameter - 2.4"