The new and improved Rio Plus 50 Aqua Pumps and Powerheads are versatile water pump systems designed with high efficiency and reliability at a lower cost. Designed with next generation magnetic-rotor technology and a new impeller with ceramic bearing and shaft, the Rio Plus Aqua Pumps and Powerheads offer the best high-performance solution in the aquarium industry. Versatile: water circulation, fountains, protein skimmers. One of the most energy efficient water pumps that combines low energy consumption with silent cool operation. Dimensions: 2.4 x 1.4 x 1.8 inches. 5.3 watts. Maximum head: 2 feet.