The Iwaki RLT type aquarium pumps handle back pressure better than RLXT pumps and can be used for almost any application. They are recommended for high-head situations or when using cartridge (pressure) filters. The MD pumps have Japanese motors.Flow rate: 1500 gphMax head: 31.8 feetAmps: 2.8Dimensions: 10.2" X 5.6" X 6.1"Connections: 1" MPT Inlet / 1" MPT OutletDoes not come with a plugPerformance charts (new window)Further specifications (pdf file in new window)