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: 2000 gphMax head: 39.0 feetAmps: 3.4Dimensions: 12.75" X 6.2" X 6.9"Connections: 1" MPT Inlet / 1" MPT OutletDoes not come with a plugPerformance charts (new window)Further specifications (pdf file in new window)Japanese motorThe RLT type aquarium pumps handle back pressure better and can be used for almost any application. Especially recommended for high-head situations or when using cartridge (pressure) filters.