In an aquarium, having the right amount of flow is crucial to the health of the ecosystem. With VorTech QuietDrive choosing the correct water circulation equipment has never been easier.VorTech pumps are designed by aquarists to be the gold standard for providing flow in marine aquariums. When it comes to broad yet gentle flow, the VorTech design is unmatched: (New Mobius Version) Dimensions Dry-Side: 2.50 x 2 inches (63.5 x 50.8 mm)Wet-Side: 2.50 x 1.5 inches (63.5 x 38.1 mm) Flow Flow Range: 200-1,500 gallons (750 – 6,000+ Liters) per hour Tank Range Max Tank Thickness: 0.375 inches (9.5 mm)Tank Size Range: 2.5-50+ gallons (9.5 – 190 liters)Clearance Needed Behind Tank: 2.25 inches (57 mm) Power Wattage: 8-18 Watts QuietDrive QuietDrive represents the next evolution of the award winning VorTech Driver. All new driver included with the VorTech MP10, MP40 and MP60 6+ Available continuous operational modes Wave Auto Tune, Feed Mode & Night Mode 90% Less motor noise Up to 40% more output* Communicates with existing WWD and “w” EcoSmart Pumps Fully compatible with EcoSmart Live via ReefLink Available as an upgrade for WWD and EcoSmart Drivers Flow Uncompromised Create massive water movement No coral damaging “hot spots” Natural Gyre Tank-wide flow patterns Precise control of water movement Magnetic Couple At the heart of the VorTech’s success is its unique, patented, magnetically coupled design. No distractions from the beauty of the tank and its inhabitants No wires in the aquarium No unwanted heat added to the water column No risk of electrical discharge harming people or marine life No hassle when it comes to installing, relocating, or cleaning the power head