Simulates natural river and reef currents by continuously circulating water. Easy to Install: With a magnetic bracket, which is easy to install and allows you to position the pump virtually anywhere in your aquarium. Glass up to 1-inch thick Simulates natural river & reef currents by continuously circulating water Power head is higher flow rates and lower energy consumption. A single head makes strong waves to circulate the water quietly and efficiently. Energy-efficient motor & impeller increase water movement with less power 1585 GPH Recommended for aquariums 50-100 gallons